725424527 has 4 divisors (see below), whose sum is σ = 768096576. Its totient is φ = 682752480.

The previous prime is 725424487. The next prime is 725424547.

It is a happy number.

725424527 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 725424527 - 2²⁴ = 708647311 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 (725424547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21335999 + ... + 21336032.

It is an arithmetic number, because the mean of its divisors is an integer number (192024144).

Almost surely, 2^725424527 is an apocalyptic number.

725424527 is a deficient number, since it is larger than the sum of its proper divisors (42672049).

725424527 is a wasteful number, since it uses less digits than its factorization.

725424527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42672048.

The product of its digits is 156800, while the sum is 38.

The square root of 725424527 is about 26933.7061504725. The cubic root of 725424527 is about 898.5261998216.

The spelling of 725424527 in words is "seven hundred twenty-five million, four hundred twenty-four thousand, five hundred twenty-seven".