252105356 has 6 divisors (see below), whose sum is σ = 441184380. Its totient is φ = 126052676.

The previous prime is 252105349. The next prime is 252105367. The reversal of 252105356 is 653501252.

It is a happy number.

It is a super-2 number, since 2×252105356² = 127114221047773472, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 31513166 + ... + 31513173.

It is an arithmetic number, because the mean of its divisors is an integer number (73530730).

Almost surely, 2^252105356 is an apocalyptic number.

It is an amenable number.

252105356 is a deficient number, since it is larger than the sum of its proper divisors (189079024).

252105356 is a wasteful number, since it uses less digits than its factorization.

252105356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63026343 (or 63026341 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 252105356 is about 15877.8259217060. The cubic root of 252105356 is about 631.7239721551.

The spelling of 252105356 in words is "two hundred fifty-two million, one hundred five thousand, three hundred fifty-six".