253519957 has 2 divisors, whose sum is σ = 253519958. Its totient is φ = 253519956.

The previous prime is 253519949. The next prime is 253519969. The reversal of 253519957 is 759915352.

253519957 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., 172501956 + 81018001 = 13134^2 + 9001^2 .

It is a cyclic number.

It is not a de Polignac number, because 253519957 - 2³ = 253519949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253513957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126759978 + 126759979.

It is an arithmetic number, because the mean of its divisors is an integer number (126759979).

Almost surely, 2^253519957 is an apocalyptic number.

It is an amenable number.

253519957 is a deficient number, since it is larger than the sum of its proper divisors (1).

253519957 is an equidigital number, since it uses as much as digits as its factorization.

253519957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 425250, while the sum is 46.

The square root of 253519957 is about 15922.3100396896. The cubic root of 253519957 is about 632.9033350524.

The spelling of 253519957 in words is "two hundred fifty-three million, five hundred nineteen thousand, nine hundred fifty-seven".