252682978 has 8 divisors (see below), whose sum is σ = 379930320. Its totient is φ = 126039540.

The previous prime is 252682973. The next prime is 252682979. The reversal of 252682978 is 879286252.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (252682973) 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, 149928 + ... + 151603.

It is an arithmetic number, because the mean of its divisors is an integer number (47491290).

Almost surely, 2^252682978 is an apocalyptic number.

252682978 is a deficient number, since it is larger than the sum of its proper divisors (127247342).

252682978 is a wasteful number, since it uses less digits than its factorization.

252682978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301952.

The product of its digits is 967680, while the sum is 49.

The square root of 252682978 is about 15896.0050956207. The cubic root of 252682978 is about 632.2060713068.

The spelling of 252682978 in words is "two hundred fifty-two million, six hundred eighty-two thousand, nine hundred seventy-eight".