52415525 has 6 divisors (see below), whose sum is σ = 64995282. Its totient is φ = 41932400.

The previous prime is 52415521. The next prime is 52415543. The reversal of 52415525 is 52551425.

It can be written as a sum of positive squares in 3 ways, for example, as 128164 + 52287361 = 358^2 + 7231^2 .

It is not a de Polignac number, because 52415525 - 2² = 52415521 is a prime.

It is a super-2 number, since 2×52415525² = 5494774522051250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52415521) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1048286 + ... + 1048335.

It is an arithmetic number, because the mean of its divisors is an integer number (10832547).

Almost surely, 2^52415525 is an apocalyptic number.

It is an amenable number.

52415525 is a deficient number, since it is larger than the sum of its proper divisors (12579757).

52415525 is a wasteful number, since it uses less digits than its factorization.

52415525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2096631 (or 2096626 counting only the distinct ones).

The product of its digits is 10000, while the sum is 29.

The square root of 52415525 is about 7239.8566974768. The cubic root of 52415525 is about 374.2426790101.

The spelling of 52415525 in words is "fifty-two million, four hundred fifteen thousand, five hundred twenty-five".