253564628 has 12 divisors (see below), whose sum is σ = 443849952. Its totient is φ = 126750360.

The previous prime is 253564613. The next prime is 253564631. The reversal of 253564628 is 826465352.

It is a happy number.

253564628 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25001 + ... + 33647.

It is an arithmetic number, because the mean of its divisors is an integer number (36987496).

Almost surely, 2^253564628 is an apocalyptic number.

It is an amenable number.

253564628 is a deficient number, since it is larger than the sum of its proper divisors (190285324).

253564628 is a wasteful number, since it uses less digits than its factorization.

253564628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15982 (or 15980 counting only the distinct ones).

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

The square root of 253564628 is about 15923.7127580222. The cubic root of 253564628 is about 632.9405060439.

It can be divided in two parts, 25 and 3564628, that added together give a palindrome (3564653).

The spelling of 253564628 in words is "two hundred fifty-three million, five hundred sixty-four thousand, six hundred twenty-eight".