253835361 has 24 divisors (see below), whose sum is σ = 395391360. Its totient is φ = 155994336.

The previous prime is 253835327. The next prime is 253835369. The reversal of 253835361 is 163538352.

It is not a de Polignac number, because 253835361 - 2⁹ = 253834849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253835369) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 169960 + ... + 171446.

It is an arithmetic number, because the mean of its divisors is an integer number (16474640).

Almost surely, 2^253835361 is an apocalyptic number.

It is an amenable number.

253835361 is a deficient number, since it is larger than the sum of its proper divisors (141555999).

253835361 is a wasteful number, since it uses less digits than its factorization.

253835361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2965 (or 2962 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 253835361 is about 15932.2114284239. The cubic root of 253835361 is about 633.1656911480.

The spelling of 253835361 in words is "two hundred fifty-three million, eight hundred thirty-five thousand, three hundred sixty-one".