252215934 has 8 divisors (see below), whose sum is σ = 504431880. Its totient is φ = 84071976.

The previous prime is 252215933. The next prime is 252215963. The reversal of 252215934 is 439512252.

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

252215934 is an admirable number.

It is a super-2 number, since 2×252215934² = 127225754726984712, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252215895 and 252215904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252215933) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 21017989 + ... + 21018000.

It is an arithmetic number, because the mean of its divisors is an integer number (63053985).

Almost surely, 2^252215934 is an apocalyptic number.

252215934 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.

252215934 is a wasteful number, since it uses less digits than its factorization.

252215934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42035994.

The product of its digits is 21600, while the sum is 33.

The square root of 252215934 is about 15881.3076917488. The cubic root of 252215934 is about 631.8163205338.

The spelling of 252215934 in words is "two hundred fifty-two million, two hundred fifteen thousand, nine hundred thirty-four".