253214322515 has 24 divisors (see below), whose sum is σ = 385599848112. Its totient is φ = 157847887680.

The previous prime is 253214322503. The next prime is 253214322541. The reversal of 253214322515 is 515223412352.

It is not a de Polignac number, because 253214322515 - 2²⁴ = 253197545299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46975844 + ... + 46981233.

It is an arithmetic number, because the mean of its divisors is an integer number (16066660338).

Almost surely, 2^253214322515 is an apocalyptic number.

253214322515 is a deficient number, since it is larger than the sum of its proper divisors (132385525597).

253214322515 is a wasteful number, since it uses less digits than its factorization.

253214322515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93957107 (or 93957100 counting only the distinct ones).

The product of its digits is 72000, while the sum is 35.

Adding to 253214322515 its reverse (515223412352), we get a palindrome (768437734867).

The spelling of 253214322515 in words is "two hundred fifty-three billion, two hundred fourteen million, three hundred twenty-two thousand, five hundred fifteen".