5153423521 has 4 divisors (see below), whose sum is σ = 5153713344. Its totient is φ = 5153133700.

The previous prime is 5153423507. The next prime is 5153423567. The reversal of 5153423521 is 1253243515.

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 5153423521 - 2¹⁹ = 5152899233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5153423501) 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, 116365 + ... + 154426.

It is an arithmetic number, because the mean of its divisors is an integer number (1288428336).

Almost surely, 2^5153423521 is an apocalyptic number.

It is an amenable number.

5153423521 is a deficient number, since it is larger than the sum of its proper divisors (289823).

5153423521 is a wasteful number, since it uses less digits than its factorization.

5153423521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289822.

The product of its digits is 18000, while the sum is 31.

The square root of 5153423521 is about 71787.3493103068. The cubic root of 5153423521 is about 1727.2900784332.

The spelling of 5153423521 in words is "five billion, one hundred fifty-three million, four hundred twenty-three thousand, five hundred twenty-one".