252628705 has 8 divisors (see below), whose sum is σ = 346462272. Its totient is φ = 173231088.

The previous prime is 252628699. The next prime is 252628729. The reversal of 252628705 is 507826252.

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

It is a cyclic number.

It is not a de Polignac number, because 252628705 - 2³ = 252628697 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3608947 + ... + 3609016.

It is an arithmetic number, because the mean of its divisors is an integer number (43307784).

Almost surely, 2^252628705 is an apocalyptic number.

It is an amenable number.

252628705 is a deficient number, since it is larger than the sum of its proper divisors (93833567).

252628705 is an equidigital number, since it uses as much as digits as its factorization.

252628705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7217975.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 252628705 is about 15894.2978769117. The cubic root of 252628705 is about 632.1608048662.

The spelling of 252628705 in words is "two hundred fifty-two million, six hundred twenty-eight thousand, seven hundred five".