7231605253 has 4 divisors (see below), whose sum is σ = 7323144640. Its totient is φ = 7140065868.

The previous prime is 7231605247. The next prime is 7231605289. The reversal of 7231605253 is 3525061327.

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 7231605253 - 2²¹ = 7229508101 is a prime.

It is a super-2 number, since 2×7231605253² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7231605223) 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, 45769575 + ... + 45769732.

It is an arithmetic number, because the mean of its divisors is an integer number (1830786160).

Almost surely, 2^7231605253 is an apocalyptic number.

It is an amenable number.

7231605253 is a deficient number, since it is larger than the sum of its proper divisors (91539387).

7231605253 is an equidigital number, since it uses as much as digits as its factorization.

7231605253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91539386.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 7231605253 is about 85038.8455530765. The cubic root of 7231605253 is about 1933.8000651167.

The spelling of 7231605253 in words is "seven billion, two hundred thirty-one million, six hundred five thousand, two hundred fifty-three".