252442906 has 16 divisors (see below), whose sum is σ = 387601344. Its totient is φ = 123276384.

The previous prime is 252442903. The next prime is 252442907. The reversal of 252442906 is 609244252.

252442906 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252442901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6645 + ... + 23431.

It is an arithmetic number, because the mean of its divisors is an integer number (24225084).

Almost surely, 2^252442906 is an apocalyptic number.

252442906 is a deficient number, since it is larger than the sum of its proper divisors (135158438).

252442906 is a wasteful number, since it uses less digits than its factorization.

252442906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16965.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 252442906 is about 15888.4519699057. The cubic root of 252442906 is about 632.0057899512.

The spelling of 252442906 in words is "two hundred fifty-two million, four hundred forty-two thousand, nine hundred six".