252871446 has 8 divisors (see below), whose sum is σ = 505742904. Its totient is φ = 84290480.

The previous prime is 252871429. The next prime is 252871471. The reversal of 252871446 is 644178252.

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

252871446 is an admirable number.

It is a congruent number.

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, 21072615 + ... + 21072626.

It is an arithmetic number, because the mean of its divisors is an integer number (63217863).

Almost surely, 2^252871446 is an apocalyptic number.

252871446 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.

252871446 is a wasteful number, since it uses less digits than its factorization.

252871446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42145246.

The product of its digits is 107520, while the sum is 39.

The square root of 252871446 is about 15901.9321467550. The cubic root of 252871446 is about 632.3632128807.

The spelling of 252871446 in words is "two hundred fifty-two million, eight hundred seventy-one thousand, four hundred forty-six".