252066870 has 64 divisors (see below), whose sum is σ = 733294080. Its totient is φ = 61106400.

The previous prime is 252066851. The next prime is 252066877. The reversal of 252066870 is 78660252.

252066870 is a `hidden beast` number, since 2 + 520 + 6 + 68 + 70 = 666.

252066870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252066877) 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, 39466 + ... + 45405.

It is an arithmetic number, because the mean of its divisors is an integer number (11457720).

Almost surely, 2^252066870 is an apocalyptic number.

252066870 is an abundant number, since it is smaller than the sum of its proper divisors (481227210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252066870 is a wasteful number, since it uses less digits than its factorization.

252066870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84898 (or 84892 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 252066870 is about 15876.6139337077. The cubic root of 252066870 is about 631.6918245291.

The spelling of 252066870 in words is "two hundred fifty-two million, sixty-six thousand, eight hundred seventy".