52005725 has 24 divisors (see below), whose sum is σ = 66370752. Its totient is φ = 40409600.

The previous prime is 52005721. The next prime is 52005739. The reversal of 52005725 is 52750025.

It is not a de Polignac number, because 52005725 - 2² = 52005721 is a prime.

It is a super-3 number, since 3×52005725³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52005694 and 52005703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52005721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 147149 + ... + 147501.

It is an arithmetic number, because the mean of its divisors is an integer number (2765448).

Almost surely, 2^52005725 is an apocalyptic number.

It is an amenable number.

52005725 is a deficient number, since it is larger than the sum of its proper divisors (14365027).

52005725 is a wasteful number, since it uses less digits than its factorization.

52005725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517 (or 512 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 52005725 is about 7211.4994973306. The cubic root of 52005725 is about 373.2648130165.

The spelling of 52005725 in words is "fifty-two million, five thousand, seven hundred twenty-five".