52112725 has 36 divisors (see below), whose sum is σ = 79161600. Its totient is φ = 33838560.

The previous prime is 52112713. The next prime is 52112737. The reversal of 52112725 is 52721125.

It is an interprime number because it is at equal distance from previous prime (52112713) and next prime (52112737).

It is not a de Polignac number, because 52112725 - 2¹¹ = 52110677 is a prime.

It is a super-2 number, since 2×52112725² = 5431472213851250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 52112725.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22156 + ... + 24394.

Almost surely, 2^52112725 is an apocalyptic number.

It is an amenable number.

52112725 is a deficient number, since it is larger than the sum of its proper divisors (27048875).

52112725 is a wasteful number, since it uses less digits than its factorization.

52112725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282 (or 2270 counting only the distinct ones).

The product of its digits is 1400, while the sum is 25.

The square root of 52112725 is about 7218.9143920675. The cubic root of 52112725 is about 373.5206308454.

Subtracting 52112725 from its reverse (52721125), we obtain a square (608400 = 780²).

The spelling of 52112725 in words is "fifty-two million, one hundred twelve thousand, seven hundred twenty-five".