252546406 has 8 divisors (see below), whose sum is σ = 432936720. Its totient is φ = 108234168.

The previous prime is 252546401. The next prime is 252546433. The reversal of 252546406 is 604645252.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252546401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9019501 + ... + 9019528.

It is an arithmetic number, because the mean of its divisors is an integer number (54117090).

Almost surely, 2^252546406 is an apocalyptic number.

252546406 is a deficient number, since it is larger than the sum of its proper divisors (180390314).

252546406 is a wasteful number, since it uses less digits than its factorization.

252546406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18039038.

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 252546406 is about 15891.7087186998. The cubic root of 252546406 is about 632.0921509463.

The spelling of 252546406 in words is "two hundred fifty-two million, five hundred forty-six thousand, four hundred six".