52525253 has 32 divisors (see below), whose sum is σ = 63713280. Its totient is φ = 43124400.

The previous prime is 52525201. The next prime is 52525259. The reversal of 52525253 is 35252525.

It is a de Polignac number, because none of the positive numbers 2^k-52525253 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (15000) is a multiple of the sum of its prime factors (150).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52525259) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 783926 + ... + 783992.

It is an arithmetic number, because the mean of its divisors is an integer number (1991040).

Almost surely, 2^52525253 is an apocalyptic number.

It is an amenable number.

52525253 is a deficient number, since it is larger than the sum of its proper divisors (11188027).

52525253 is a wasteful number, since it uses less digits than its factorization.

52525253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 128 counting only the distinct ones).

The product of its digits is 15000, while the sum is 29.

The square root of 52525253 is about 7247.4307861476. The cubic root of 52525253 is about 374.5036467197.

Adding to 52525253 its reverse (35252525), we get a palindrome (87777778).

The spelling of 52525253 in words is "fifty-two million, five hundred twenty-five thousand, two hundred fifty-three".