253304137 has 2 divisors, whose sum is σ = 253304138. Its totient is φ = 253304136.

The previous prime is 253304123. The next prime is 253304171. The reversal of 253304137 is 731403352.

253304137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221087161 + 32216976 = 14869^2 + 5676^2 .

It is a cyclic number.

It is not a de Polignac number, because 253304137 - 2¹¹ = 253302089 is a prime.

It is not a weakly prime, because it can be changed into another prime (253304237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126652068 + 126652069.

It is an arithmetic number, because the mean of its divisors is an integer number (126652069).

Almost surely, 2^253304137 is an apocalyptic number.

It is an amenable number.

253304137 is a deficient number, since it is larger than the sum of its proper divisors (1).

253304137 is an equidigital number, since it uses as much as digits as its factorization.

253304137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 253304137 is about 15915.5313137828. The cubic root of 253304137 is about 632.7236884767.

Adding to 253304137 its reverse (731403352), we get a palindrome (984707489).

The spelling of 253304137 in words is "two hundred fifty-three million, three hundred four thousand, one hundred thirty-seven".