252378426 has 8 divisors (see below), whose sum is σ = 504756864. Its totient is φ = 84126140.

The previous prime is 252378407. The next prime is 252378437. The reversal of 252378426 is 624873252.

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

252378426 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21031530 + ... + 21031541.

It is an arithmetic number, because the mean of its divisors is an integer number (63094608).

Almost surely, 2^252378426 is an apocalyptic number.

252378426 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252378426 is a wasteful number, since it uses less digits than its factorization.

252378426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42063076.

The product of its digits is 161280, while the sum is 39.

The square root of 252378426 is about 15886.4226936085. The cubic root of 252378426 is about 631.9519755342.

The spelling of 252378426 in words is "two hundred fifty-two million, three hundred seventy-eight thousand, four hundred twenty-six".