1253319937 has 2 divisors, whose sum is σ = 1253319938. Its totient is φ = 1253319936.

The previous prime is 1253319913. The next prime is 1253319943. The reversal of 1253319937 is 7399133521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1241787121 + 11532816 = 35239^2 + 3396^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253319937 - 2²⁷ = 1119102209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1253319893 and 1253319902.

It is not a weakly prime, because it can be changed into another prime (1253319967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626659968 + 626659969.

It is an arithmetic number, because the mean of its divisors is an integer number (626659969).

Almost surely, 2^1253319937 is an apocalyptic number.

It is an amenable number.

1253319937 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253319937 is an equidigital number, since it uses as much as digits as its factorization.

1253319937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 153090, while the sum is 43.

The square root of 1253319937 is about 35402.2589251025. The cubic root of 1253319937 is about 1078.1701802779.

The spelling of 1253319937 in words is "one billion, two hundred fifty-three million, three hundred nineteen thousand, nine hundred thirty-seven".