1351253097 has 10 divisors (see below), whose sum is σ = 2018538698. Its totient is φ = 900835344.

The previous prime is 1351253093. The next prime is 1351253117. The reversal of 1351253097 is 7903521531.

1351253097 is a `hidden beast` number, since 1 + 3 + 512 + 53 + 0 + 97 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1237702761 + 113550336 = 35181^2 + 10656^2 .

It is not a de Polignac number, because 1351253097 - 2² = 1351253093 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1351253093) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8340988 + ... + 8341149.

Almost surely, 2^1351253097 is an apocalyptic number.

It is an amenable number.

1351253097 is a deficient number, since it is larger than the sum of its proper divisors (667285601).

1351253097 is an equidigital number, since it uses as much as digits as its factorization.

1351253097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16682149 (or 16682140 counting only the distinct ones).

The product of its (nonzero) digits is 28350, while the sum is 36.

The square root of 1351253097 is about 36759.3946767354. The cubic root of 1351253097 is about 1105.5513030140.

The spelling of 1351253097 in words is "one billion, three hundred fifty-one million, two hundred fifty-three thousand, ninety-seven".