252671658 has 8 divisors (see below), whose sum is σ = 505343328. Its totient is φ = 84223884.

The previous prime is 252671603. The next prime is 252671677. The reversal of 252671658 is 856176252.

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

252671658 is an admirable number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21055966 + ... + 21055977.

It is an arithmetic number, because the mean of its divisors is an integer number (63167916).

Almost surely, 2^252671658 is an apocalyptic number.

252671658 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252671658 is a wasteful number, since it uses less digits than its factorization.

252671658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42111948.

The product of its digits is 201600, while the sum is 42.

The square root of 252671658 is about 15895.6490273282. The cubic root of 252671658 is about 632.1966303864.

The spelling of 252671658 in words is "two hundred fifty-two million, six hundred seventy-one thousand, six hundred fifty-eight".