725027013 has 6 divisors (see below), whose sum is σ = 1047261254. Its totient is φ = 483351336.

The previous prime is 725026961. The next prime is 725027041. The reversal of 725027013 is 310720527.

It can be written as a sum of positive squares in only one way, i.e., 408969729 + 316057284 = 20223^2 + 17778^2 .

It is not a de Polignac number, because 725027013 - 2⁶ = 725026949 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 (725027063) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40279270 + ... + 40279287.

Almost surely, 2^725027013 is an apocalyptic number.

It is an amenable number.

725027013 is a deficient number, since it is larger than the sum of its proper divisors (322234241).

725027013 is a wasteful number, since it uses less digits than its factorization.

725027013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80558563 (or 80558560 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 725027013 is about 26926.3256498171. The cubic root of 725027013 is about 898.3620467445.

The spelling of 725027013 in words is "seven hundred twenty-five million, twenty-seven thousand, thirteen".