252985394 has 8 divisors (see below), whose sum is σ = 379686528. Its totient is φ = 126423220.

The previous prime is 252985387. The next prime is 252985423. The reversal of 252985394 is 493589252.

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

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, 30062 + ... + 37545.

It is an arithmetic number, because the mean of its divisors is an integer number (47460816).

Almost surely, 2^252985394 is an apocalyptic number.

252985394 is a deficient number, since it is larger than the sum of its proper divisors (126701134).

252985394 is a wasteful number, since it uses less digits than its factorization.

252985394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69480.

The product of its digits is 777600, while the sum is 47.

The square root of 252985394 is about 15905.5145782838. The cubic root of 252985394 is about 632.4581830113.

The spelling of 252985394 in words is "two hundred fifty-two million, nine hundred eighty-five thousand, three hundred ninety-four".