3520253 has 12 divisors (see below), whose sum is σ = 3958080. Its totient is φ = 3127080.

The previous prime is 3520243. The next prime is 3520261.

3520253 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3520253 - 2¹² = 3516157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3520243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5378 + ... + 5996.

It is an arithmetic number, because the mean of its divisors is an integer number (329840).

Almost surely, 2^3520253 is an apocalyptic number.

It is an amenable number.

3520253 is a deficient number, since it is larger than the sum of its proper divisors (437827).

3520253 is a wasteful number, since it uses less digits than its factorization.

3520253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 677 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 3520253 is about 1876.2337274444. The cubic root of 3520253 is about 152.1217428393.

It can be divided in two parts, 3520 and 253, that added together give a palindrome (3773).

The spelling of 3520253 in words is "three million, five hundred twenty thousand, two hundred fifty-three".