1253412497 has 4 divisors (see below), whose sum is σ = 1280080896. Its totient is φ = 1226744100.

The previous prime is 1253412469. The next prime is 1253412521. The reversal of 1253412497 is 7942143521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1253412497 - 2²⁸ = 984977041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1253412497.

It is not an unprimeable number, because it can be changed into a prime (1253412467) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13334129 + ... + 13334222.

It is an arithmetic number, because the mean of its divisors is an integer number (320020224).

Almost surely, 2^1253412497 is an apocalyptic number.

It is an amenable number.

1253412497 is a deficient number, since it is larger than the sum of its proper divisors (26668399).

1253412497 is an equidigital number, since it uses as much as digits as its factorization.

1253412497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26668398.

The product of its digits is 60480, while the sum is 38.

The square root of 1253412497 is about 35403.5661621820. The cubic root of 1253412497 is about 1078.1967212465.

The spelling of 1253412497 in words is "one billion, two hundred fifty-three million, four hundred twelve thousand, four hundred ninety-seven".