525055252 has 6 divisors (see below), whose sum is σ = 918846698. Its totient is φ = 262527624.

The previous prime is 525055249. The next prime is 525055273. The reversal of 525055252 is 252550525.

It can be written as a sum of positive squares in only one way, i.e., 270142096 + 254913156 = 16436^2 + 15966^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65631903 + ... + 65631910.

Almost surely, 2^525055252 is an apocalyptic number.

It is an amenable number.

525055252 is a deficient number, since it is larger than the sum of its proper divisors (393791446).

525055252 is a wasteful number, since it uses less digits than its factorization.

525055252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131263817 (or 131263815 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The square root of 525055252 is about 22914.0841405455. The cubic root of 525055252 is about 806.7426220702.

The spelling of 525055252 in words is "five hundred twenty-five million, fifty-five thousand, two hundred fifty-two".