252021432052 has 12 divisors (see below), whose sum is σ = 474963468196. Its totient is φ = 116317584000.

The previous prime is 252021431947. The next prime is 252021432083. The reversal of 252021432052 is 250234120252.

It can be written as a sum of positive squares in 2 ways, for example, as 148004861796 + 104016570256 = 384714^2 + 322516^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252021432052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2423282949 + ... + 2423283052.

Almost surely, 2^252021432052 is an apocalyptic number.

It is an amenable number.

252021432052 is a deficient number, since it is larger than the sum of its proper divisors (222942036144).

252021432052 is a wasteful number, since it uses less digits than its factorization.

252021432052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4846566018 (or 4846566016 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The spelling of 252021432052 in words is "two hundred fifty-two billion, twenty-one million, four hundred thirty-two thousand, fifty-two".