252929642 has 8 divisors (see below), whose sum is σ = 433593696. Its totient is φ = 108398412.

The previous prime is 252929641. The next prime is 252929659. The reversal of 252929642 is 246929252.

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

It is a self number, because there is not a number n which added to its sum of digits gives 252929642.

It is not an unprimeable number, because it can be changed into a prime (252929641) 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, 9033188 + ... + 9033215.

It is an arithmetic number, because the mean of its divisors is an integer number (54199212).

Almost surely, 2^252929642 is an apocalyptic number.

252929642 is a deficient number, since it is larger than the sum of its proper divisors (180664054).

252929642 is a wasteful number, since it uses less digits than its factorization.

252929642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18066412.

The product of its digits is 155520, while the sum is 41.

The square root of 252929642 is about 15903.7618820202. The cubic root of 252929642 is about 632.4117199875.

The spelling of 252929642 in words is "two hundred fifty-two million, nine hundred twenty-nine thousand, six hundred forty-two".