253808049 has 16 divisors (see below), whose sum is σ = 379154880. Its totient is φ = 149664960.

The previous prime is 253808047. The next prime is 253808053. The reversal of 253808049 is 940808352.

It is a happy number.

253808049 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 253808049 - 2¹ = 253808047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 253807998 and 253808016.

It is not an unprimeable number, because it can be changed into a prime (253808047) 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, 102714 + ... + 105155.

It is an arithmetic number, because the mean of its divisors is an integer number (23697180).

Almost surely, 2^253808049 is an apocalyptic number.

It is an amenable number.

253808049 is a deficient number, since it is larger than the sum of its proper divisors (125346831).

253808049 is a wasteful number, since it uses less digits than its factorization.

253808049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207920.

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 253808049 is about 15931.3542738839. The cubic root of 253808049 is about 633.1429813601.

The spelling of 253808049 in words is "two hundred fifty-three million, eight hundred eight thousand, forty-nine".