253160428 has 6 divisors (see below), whose sum is σ = 443030756. Its totient is φ = 126580212.

The previous prime is 253160417. The next prime is 253160429. The reversal of 253160428 is 824061352.

It is a self number, because there is not a number n which added to its sum of digits gives 253160428.

It is not an unprimeable number, because it can be changed into a prime (253160429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31645050 + ... + 31645057.

Almost surely, 2^253160428 is an apocalyptic number.

It is an amenable number.

253160428 is a deficient number, since it is larger than the sum of its proper divisors (189870328).

253160428 is a wasteful number, since it uses less digits than its factorization.

253160428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63290111 (or 63290109 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 253160428 is about 15911.0159323659. The cubic root of 253160428 is about 632.6040098291.

The spelling of 253160428 in words is "two hundred fifty-three million, one hundred sixty thousand, four hundred twenty-eight".