52511525 has 24 divisors (see below), whose sum is σ = 71406144. Its totient is φ = 37990400.

The previous prime is 52511519. The next prime is 52511561.

52511525 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 52511525 - 2⁴ = 52511509 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52511494 and 52511503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70304 + ... + 71046.

It is an arithmetic number, because the mean of its divisors is an integer number (2975256).

Almost surely, 2^52511525 is an apocalyptic number.

52511525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52511525 is a deficient number, since it is larger than the sum of its proper divisors (18894619).

52511525 is a wasteful number, since it uses less digits than its factorization.

52511525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021 (or 1016 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 52511525 is about 7246.4836300098. The cubic root of 52511525 is about 374.4710171195.

It can be divided in two parts, 5251 and 1525, that added together give a palindrome (6776).

The spelling of 52511525 in words is "fifty-two million, five hundred eleven thousand, five hundred twenty-five".