253120014397 has 4 divisors (see below), whose sum is σ = 253127326716. Its totient is φ = 253112702080.

The previous prime is 253120014383. The next prime is 253120014451. The reversal of 253120014397 is 793410021352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 103088513476 + 150031500921 = 321074^2 + 387339^2 .

It is a cyclic number.

It is not a de Polignac number, because 253120014397 - 2⁷ = 253120014269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253120014317) 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, 3603988 + ... + 3673549.

It is an arithmetic number, because the mean of its divisors is an integer number (63281831679).

Almost surely, 2^253120014397 is an apocalyptic number.

It is an amenable number.

253120014397 is a deficient number, since it is larger than the sum of its proper divisors (7312319).

253120014397 is an equidigital number, since it uses as much as digits as its factorization.

253120014397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7312318.

The product of its (nonzero) digits is 45360, while the sum is 37.

The spelling of 253120014397 in words is "two hundred fifty-three billion, one hundred twenty million, fourteen thousand, three hundred ninety-seven".