1253358137 has 2 divisors, whose sum is σ = 1253358138. Its totient is φ = 1253358136.

The previous prime is 1253358083. The next prime is 1253358157. The reversal of 1253358137 is 7318533521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 771950656 + 481407481 = 27784^2 + 21941^2 .

It is a cyclic number.

It is not a de Polignac number, because 1253358137 - 2⁸ = 1253357881 is a prime.

It is a super-2 number, since 2×1253358137² = 3141813239168221538, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1253358137.

It is not a weakly prime, because it can be changed into another prime (1253358157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626679068 + 626679069.

It is an arithmetic number, because the mean of its divisors is an integer number (626679069).

Almost surely, 2^1253358137 is an apocalyptic number.

It is an amenable number.

1253358137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1253358137 is an equidigital number, since it uses as much as digits as its factorization.

1253358137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75600, while the sum is 38.

The square root of 1253358137 is about 35402.7984345871. The cubic root of 1253358137 is about 1078.1811340339.

The spelling of 1253358137 in words is "one billion, two hundred fifty-three million, three hundred fifty-eight thousand, one hundred thirty-seven".