252406049 has 8 divisors (see below), whose sum is σ = 288911040. Its totient is φ = 216012816.

The previous prime is 252406043. The next prime is 252406057. The reversal of 252406049 is 940604252.

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

It is a cyclic number.

It is not a de Polignac number, because 252406049 - 2⁸ = 252405793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252406043) 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 7 ways as a sum of consecutive naturals, for example, 23039 + ... + 32180.

It is an arithmetic number, because the mean of its divisors is an integer number (36113880).

Almost surely, 2^252406049 is an apocalyptic number.

It is an amenable number.

252406049 is a deficient number, since it is larger than the sum of its proper divisors (36504991).

252406049 is an equidigital number, since it uses as much as digits as its factorization.

252406049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55879.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 252406049 is about 15887.2920600082. The cubic root of 252406049 is about 631.9750305589.

The spelling of 252406049 in words is "two hundred fifty-two million, four hundred six thousand, forty-nine".