52490525 has 12 divisors (see below), whose sum is σ = 65225364. Its totient is φ = 41904000.

The previous prime is 52490507. The next prime is 52490527. The reversal of 52490525 is 52509425.

It can be written as a sum of positive squares in 6 ways, for example, as 851929 + 51638596 = 923^2 + 7186^2 .

It is not a de Polignac number, because 52490525 - 2⁶ = 52490461 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52490491 and 52490500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52490527) 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, 11585 + ... + 15465.

It is an arithmetic number, because the mean of its divisors is an integer number (5435447).

Almost surely, 2^52490525 is an apocalyptic number.

It is an amenable number.

52490525 is a deficient number, since it is larger than the sum of its proper divisors (12734839).

52490525 is a wasteful number, since it uses less digits than its factorization.

52490525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432 (or 4427 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 52490525 is about 7245.0345064741. The cubic root of 52490525 is about 374.4210919530.

The spelling of 52490525 in words is "fifty-two million, four hundred ninety thousand, five hundred twenty-five".