8320970253 has 4 divisors (see below), whose sum is σ = 11094627008. Its totient is φ = 5547313500.

The previous prime is 8320970249. The next prime is 8320970299. The reversal of 8320970253 is 3520790238.

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 not a de Polignac number, because 8320970253 - 2² = 8320970249 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 (8320974253) 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, 1386828373 + ... + 1386828378.

It is an arithmetic number, because the mean of its divisors is an integer number (2773656752).

Almost surely, 2^8320970253 is an apocalyptic number.

It is an amenable number.

8320970253 is a deficient number, since it is larger than the sum of its proper divisors (2773656755).

8320970253 is a wasteful number, since it uses less digits than its factorization.

8320970253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773656754.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 8320970253 is about 91219.3524039718. The cubic root of 8320970253 is about 2026.3975722831.

The spelling of 8320970253 in words is "eight billion, three hundred twenty million, nine hundred seventy thousand, two hundred fifty-three".