52249525 has 24 divisors (see below), whose sum is σ = 68611680. Its totient is φ = 39360960.

The previous prime is 52249511. The next prime is 52249529. The reversal of 52249525 is 52594225.

It is not a de Polignac number, because 52249525 - 2⁵ = 52249493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52249529) 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, 150402 + ... + 150748.

It is an arithmetic number, because the mean of its divisors is an integer number (2858820).

Almost surely, 2^52249525 is an apocalyptic number.

It is an amenable number.

52249525 is a deficient number, since it is larger than the sum of its proper divisors (16362155).

52249525 is a wasteful number, since it uses less digits than its factorization.

52249525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693 (or 688 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 52249525 is about 7228.3832908888. The cubic root of 52249525 is about 373.8471856081.

The spelling of 52249525 in words is "fifty-two million, two hundred forty-nine thousand, five hundred twenty-five".