252638654 has 8 divisors (see below), whose sum is σ = 391182528. Its totient is φ = 122244480.

The previous prime is 252638641. The next prime is 252638669. The reversal of 252638654 is 456836252.

It is a happy number.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2037347 + ... + 2037470.

It is an arithmetic number, because the mean of its divisors is an integer number (48897816).

Almost surely, 2^252638654 is an apocalyptic number.

252638654 is a deficient number, since it is larger than the sum of its proper divisors (138543874).

252638654 is a wasteful number, since it uses less digits than its factorization.

252638654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4074850.

The product of its digits is 345600, while the sum is 41.

The square root of 252638654 is about 15894.6108477056. The cubic root of 252638654 is about 632.1691033232.

The spelling of 252638654 in words is "two hundred fifty-two million, six hundred thirty-eight thousand, six hundred fifty-four".