253624563 has 12 divisors (see below), whose sum is σ = 368395560. Its totient is φ = 168137376.

The previous prime is 253624541. The next prime is 253624571. The reversal of 253624563 is 365426352.

253624563 is a `hidden beast` number, since 25 + 3 + 624 + 5 + 6 + 3 = 666.

253624563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253624563 - 2⁵ = 253624531 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (253624573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77106 + ... + 80327.

It is an arithmetic number, because the mean of its divisors is an integer number (30699630).

Almost surely, 2^253624563 is an apocalyptic number.

253624563 is a deficient number, since it is larger than the sum of its proper divisors (114770997).

253624563 is a wasteful number, since it uses less digits than its factorization.

253624563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157618 (or 157615 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 253624563 is about 15925.5945885860. The cubic root of 253624563 is about 632.9903714385.

The spelling of 253624563 in words is "two hundred fifty-three million, six hundred twenty-four thousand, five hundred sixty-three".