252441064 has 8 divisors (see below), whose sum is σ = 473327010. Its totient is φ = 126220528.

The previous prime is 252441037. The next prime is 252441083. The reversal of 252441064 is 460144252.

It can be written as a sum of positive squares in only one way, i.e., 244922500 + 7518564 = 15650^2 + 2742^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15777559 + ... + 15777574.

Almost surely, 2^252441064 is an apocalyptic number.

It is an amenable number.

252441064 is a deficient number, since it is larger than the sum of its proper divisors (220885946).

252441064 is a wasteful number, since it uses less digits than its factorization.

252441064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555139 (or 31555135 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 252441064 is about 15888.3940031710. The cubic root of 252441064 is about 632.0042527621.

The spelling of 252441064 in words is "two hundred fifty-two million, four hundred forty-one thousand, sixty-four".