252152210 has 8 divisors (see below), whose sum is σ = 453873996. Its totient is φ = 100860880.

The previous prime is 252152191. The next prime is 252152213. The reversal of 252152210 is 12251252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 203946961 + 48205249 = 14281^2 + 6943^2 .

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

It is not an unprimeable number, because it can be changed into a prime (252152213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12607601 + ... + 12607620.

Almost surely, 2^252152210 is an apocalyptic number.

252152210 is a deficient number, since it is larger than the sum of its proper divisors (201721786).

252152210 is a wasteful number, since it uses less digits than its factorization.

252152210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25215228.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 252152210 is about 15879.3013070475. The cubic root of 252152210 is about 631.7631052143.

The spelling of 252152210 in words is "two hundred fifty-two million, one hundred fifty-two thousand, two hundred ten".