252905954 has 12 divisors (see below), whose sum is σ = 441295254. Its totient is φ = 108388224.

The previous prime is 252905951. The next prime is 252905959. The reversal of 252905954 is 459509252.

It can be written as a sum of positive squares in only one way, i.e., 245642929 + 7263025 = 15673^2 + 2695^2 .

It is a super-2 number, since 2×252905954² = 127922843137300232, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252905951) 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 5 ways as a sum of consecutive naturals, for example, 1290239 + ... + 1290434.

Almost surely, 2^252905954 is an apocalyptic number.

252905954 is a deficient number, since it is larger than the sum of its proper divisors (188389300).

252905954 is a wasteful number, since it uses less digits than its factorization.

252905954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580689 (or 2580682 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 41.

The square root of 252905954 is about 15903.0171351225. The cubic root of 252905954 is about 632.3919766360.

The spelling of 252905954 in words is "two hundred fifty-two million, nine hundred five thousand, nine hundred fifty-four".