252561070 has 8 divisors (see below), whose sum is σ = 454609944. Its totient is φ = 101024424.

The previous prime is 252561041. The next prime is 252561073. The reversal of 252561070 is 70165252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252561073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12628044 + ... + 12628063.

It is an arithmetic number, because the mean of its divisors is an integer number (56826243).

Almost surely, 2^252561070 is an apocalyptic number.

252561070 is a deficient number, since it is larger than the sum of its proper divisors (202048874).

252561070 is a wasteful number, since it uses less digits than its factorization.

252561070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25256114.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 252561070 is about 15892.1700846675. The cubic root of 252561070 is about 632.1043847638.

The spelling of 252561070 in words is "two hundred fifty-two million, five hundred sixty-one thousand, seventy".