5640525 has 72 divisors (see below), whose sum is σ = 11490336. Its totient is φ = 2620800.

The previous prime is 5640463. The next prime is 5640527. The reversal of 5640525 is 5250465.

It is not a de Polignac number, because 5640525 - 2⁶ = 5640461 is a prime.

It is a Curzon number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5640527) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 106399 + ... + 106451.

It is an arithmetic number, because the mean of its divisors is an integer number (159588).

Almost surely, 2^5640525 is an apocalyptic number.

5640525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5640525 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

5640525 is a wasteful number, since it uses less digits than its factorization.

5640525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5640525 is about 2374.9789472751. The cubic root of 5640525 is about 178.0081320192.

The spelling of 5640525 in words is "five million, six hundred forty thousand, five hundred twenty-five".