252454406 has 8 divisors (see below), whose sum is σ = 398612280. Its totient is φ = 119583648.

The previous prime is 252454399. The next prime is 252454429. The reversal of 252454406 is 604454252.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3321731 + ... + 3321806.

It is an arithmetic number, because the mean of its divisors is an integer number (49826535).

Almost surely, 2^252454406 is an apocalyptic number.

252454406 is a deficient number, since it is larger than the sum of its proper divisors (146157874).

252454406 is a wasteful number, since it uses less digits than its factorization.

252454406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643558.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 252454406 is about 15888.8138638477. The cubic root of 252454406 is about 632.0153867829.

The spelling of 252454406 in words is "two hundred fifty-two million, four hundred fifty-four thousand, four hundred six".