5275721925 has 72 divisors (see below), whose sum is σ = 9967124960. Its totient is φ = 2660169600.

The previous prime is 5275721909. The next prime is 5275721929. The reversal of 5275721925 is 5291275725.

5275721925 is a `hidden beast` number, since 52 + 7 + 572 + 1 + 9 + 25 = 666.

It is not a de Polignac number, because 5275721925 - 2⁴ = 5275721909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5275721929) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2824842 + ... + 2826708.

Almost surely, 2^5275721925 is an apocalyptic number.

It is an amenable number.

5275721925 is a deficient number, since it is larger than the sum of its proper divisors (4691403035).

5275721925 is a wasteful number, since it uses less digits than its factorization.

5275721925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2555 counting only the distinct ones).

The product of its digits is 441000, while the sum is 45.

The square root of 5275721925 is about 72634.1649982981. The cubic root of 5275721925 is about 1740.8471152616.

The spelling of 5275721925 in words is "five billion, two hundred seventy-five million, seven hundred twenty-one thousand, nine hundred twenty-five".