252561214 has 8 divisors (see below), whose sum is σ = 401126688. Its totient is φ = 118852320.

The previous prime is 252561209. The next prime is 252561227. The reversal of 252561214 is 412165252.

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 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, 3714102 + ... + 3714169.

It is an arithmetic number, because the mean of its divisors is an integer number (50140836).

Almost surely, 2^252561214 is an apocalyptic number.

252561214 is a deficient number, since it is larger than the sum of its proper divisors (148565474).

252561214 is a wasteful number, since it uses less digits than its factorization.

252561214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7428290.

The product of its digits is 4800, while the sum is 28.

The square root of 252561214 is about 15892.1746151998. The cubic root of 252561214 is about 632.1045048972.

The spelling of 252561214 in words is "two hundred fifty-two million, five hundred sixty-one thousand, two hundred fourteen".