253708452 has 18 divisors (see below), whose sum is σ = 641318678. Its totient is φ = 84569472.

The previous prime is 253708439. The next prime is 253708453. The reversal of 253708452 is 254807352.

253708452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 179989056 + 73719396 = 13416^2 + 8586^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7047457 = 253708452 / (2 + 5 + 3 + 7 + 0 + 8 + 4 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (253708453) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3523693 + ... + 3523764.

Almost surely, 2^253708452 is an apocalyptic number.

It is an amenable number.

253708452 is an abundant number, since it is smaller than the sum of its proper divisors (387610226).

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

253708452 is a wasteful number, since it uses less digits than its factorization.

253708452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047467 (or 7047462 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 253708452 is about 15928.2281500486. The cubic root of 253708452 is about 633.0601531599.

The spelling of 253708452 in words is "two hundred fifty-three million, seven hundred eight thousand, four hundred fifty-two".