253204361 has 2 divisors, whose sum is σ = 253204362. Its totient is φ = 253204360.

The previous prime is 253204331. The next prime is 253204381. The reversal of 253204361 is 163402352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 245110336 + 8094025 = 15656^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 253204361 - 2²² = 249010057 is a prime.

It is a super-2 number, since 2×253204361² = 128224896858836642, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253204361.

It is not a weakly prime, because it can be changed into another prime (253204331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126602180 + 126602181.

It is an arithmetic number, because the mean of its divisors is an integer number (126602181).

Almost surely, 2^253204361 is an apocalyptic number.

It is an amenable number.

253204361 is a deficient number, since it is larger than the sum of its proper divisors (1).

253204361 is an equidigital number, since it uses as much as digits as its factorization.

253204361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 253204361 is about 15912.3964568509. The cubic root of 253204361 is about 632.6406013621.

The spelling of 253204361 in words is "two hundred fifty-three million, two hundred four thousand, three hundred sixty-one".