252356905 has 8 divisors (see below), whose sum is σ = 303008832. Its totient is φ = 201765168.

The previous prime is 252356899. The next prime is 252356921. The reversal of 252356905 is 509653252.

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 252356905 - 2¹¹ = 252354857 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5239 + ... + 23068.

It is an arithmetic number, because the mean of its divisors is an integer number (37876104).

Almost surely, 2^252356905 is an apocalyptic number.

It is an amenable number.

252356905 is a deficient number, since it is larger than the sum of its proper divisors (50651927).

252356905 is a wasteful number, since it uses less digits than its factorization.

252356905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30095.

The product of its (nonzero) digits is 81000, while the sum is 37.

The square root of 252356905 is about 15885.7453397692. The cubic root of 252356905 is about 631.9340122646.

The spelling of 252356905 in words is "two hundred fifty-two million, three hundred fifty-six thousand, nine hundred five".