1052520525 has 72 divisors (see below), whose sum is σ = 2224095744. Its totient is φ = 465609600.

The previous prime is 1052520509. The next prime is 1052520551. The reversal of 1052520525 is 5250252501.

It is not a de Polignac number, because 1052520525 - 2⁴ = 1052520509 is a prime.

It is a super-2 number, since 2×1052520525² = 2215598911092551250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 38047 + ... + 59603.

Almost surely, 2^1052520525 is an apocalyptic number.

1052520525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1052520525 is an abundant number, since it is smaller than the sum of its proper divisors (1171575219).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1052520525 is a wasteful number, since it uses less digits than its factorization.

1052520525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21611 (or 21603 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 1052520525 is about 32442.5727247393. The cubic root of 1052520525 is about 1017.2089934014.

The spelling of 1052520525 in words is "one billion, fifty-two million, five hundred twenty thousand, five hundred twenty-five".