252209796 has 12 divisors (see below), whose sum is σ = 588489552. Its totient is φ = 84069928.

The previous prime is 252209779. The next prime is 252209803. The reversal of 252209796 is 697902252.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10508730 + ... + 10508753.

It is an arithmetic number, because the mean of its divisors is an integer number (49040796).

Almost surely, 2^252209796 is an apocalyptic number.

It is an amenable number.

252209796 is an abundant number, since it is smaller than the sum of its proper divisors (336279756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252209796 is a wasteful number, since it uses less digits than its factorization.

252209796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21017490 (or 21017488 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The square root of 252209796 is about 15881.1144445218. The cubic root of 252209796 is about 631.8111951372.

The spelling of 252209796 in words is "two hundred fifty-two million, two hundred nine thousand, seven hundred ninety-six".