3525030 has 48 divisors (see below), whose sum is σ = 9350640. Its totient is φ = 921024.

The previous prime is 3525029. The next prime is 3525031. The reversal of 3525030 is 305253.

3525030 = 8² + 9² + ... + 219².

It is an interprime number because it is at equal distance from previous prime (3525029) and next prime (3525031).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3524994 and 3525012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3525031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4401 + ... + 5139.

It is an arithmetic number, because the mean of its divisors is an integer number (194805).

Almost surely, 2^3525030 is an apocalyptic number.

3525030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3525030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4675320).

3525030 is an abundant number, since it is smaller than the sum of its proper divisors (5825610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3525030 is a wasteful number, since it uses less digits than its factorization.

3525030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805 (or 802 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 3525030 is about 1877.5063248895. The cubic root of 3525030 is about 152.1905217128.

The spelling of 3525030 in words is "three million, five hundred twenty-five thousand, thirty".