253570608 has 80 divisors (see below), whose sum is σ = 729794560. Its totient is φ = 84297024.

The previous prime is 253570601. The next prime is 253570621. The reversal of 253570608 is 806075352.

253570608 is a `hidden beast` number, since 25 + 3 + 570 + 60 + 8 = 666.

253570608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (253570601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261741 + ... + 262707.

It is an arithmetic number, because the mean of its divisors is an integer number (9122432).

Almost surely, 2^253570608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 253570608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364897280).

253570608 is an abundant number, since it is smaller than the sum of its proper divisors (476223952).

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

253570608 is a wasteful number, since it uses less digits than its factorization.

253570608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591 (or 1579 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 253570608 is about 15923.9005271950. The cubic root of 253570608 is about 632.9454817043.

The spelling of 253570608 in words is "two hundred fifty-three million, five hundred seventy thousand, six hundred eight".