252625642 has 4 divisors (see below), whose sum is σ = 378938466. Its totient is φ = 126312820.

The previous prime is 252625631. The next prime is 252625663. The reversal of 252625642 is 246526252.

252625642 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 252523881 + 101761 = 15891^2 + 319^2 .

It is a junction number, because it is equal to n+sod(n) for n = 252625598 and 252625607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63156409 + ... + 63156412.

Almost surely, 2^252625642 is an apocalyptic number.

252625642 is a deficient number, since it is larger than the sum of its proper divisors (126312824).

252625642 is a wasteful number, since it uses less digits than its factorization.

252625642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126312823.

The product of its digits is 57600, while the sum is 34.

The square root of 252625642 is about 15894.2015213096. The cubic root of 252625642 is about 632.1582499753.

The spelling of 252625642 in words is "two hundred fifty-two million, six hundred twenty-five thousand, six hundred forty-two".