252709834 has 8 divisors (see below), whose sum is σ = 408223620. Its totient is φ = 116635296.

The previous prime is 252709829. The next prime is 252709841. The reversal of 252709834 is 438907252.

It can be written as a sum of positive squares in 2 ways, for example, as 246584209 + 6125625 = 15703^2 + 2475^2 .

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4859779 + ... + 4859830.

Almost surely, 2^252709834 is an apocalyptic number.

252709834 is a deficient number, since it is larger than the sum of its proper divisors (155513786).

252709834 is a wasteful number, since it uses less digits than its factorization.

252709834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9719624.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 252709834 is about 15896.8498137210. The cubic root of 252709834 is about 632.2284681785.

The spelling of 252709834 in words is "two hundred fifty-two million, seven hundred nine thousand, eight hundred thirty-four".