252291770 has 16 divisors (see below), whose sum is σ = 463788288. Its totient is φ = 98769360.

The previous prime is 252291763. The next prime is 252291773. The reversal of 252291770 is 77192252.

It is a super-2 number, since 2×252291770² = 127302274419465800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 252291770.

It is not an unprimeable number, because it can be changed into a prime (252291773) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267926 + ... + 268865.

It is an arithmetic number, because the mean of its divisors is an integer number (28986768).

Almost surely, 2^252291770 is an apocalyptic number.

252291770 is a deficient number, since it is larger than the sum of its proper divisors (211496518).

252291770 is a wasteful number, since it uses less digits than its factorization.

252291770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536845.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 252291770 is about 15883.6950990631. The cubic root of 252291770 is about 631.8796387921.

The spelling of 252291770 in words is "two hundred fifty-two million, two hundred ninety-one thousand, seven hundred seventy".