52021525 has 12 divisors (see below), whose sum is σ = 67902400. Its totient is φ = 39426480.

The previous prime is 52021523. The next prime is 52021549. The reversal of 52021525 is 52512025.

It is not a de Polignac number, because 52021525 - 2¹ = 52021523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52021496 and 52021505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52021523) 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, 54285 + ... + 55234.

Almost surely, 2^52021525 is an apocalyptic number.

It is an amenable number.

52021525 is a deficient number, since it is larger than the sum of its proper divisors (15880875).

52021525 is a wasteful number, since it uses less digits than its factorization.

52021525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109548 (or 109543 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 22.

The square root of 52021525 is about 7212.5948867242. The cubic root of 52021525 is about 373.3026100532.

The spelling of 52021525 in words is "fifty-two million, twenty-one thousand, five hundred twenty-five".