725527 has 4 divisors (see below), whose sum is σ = 791496. Its totient is φ = 659560.

The previous prime is 725519. The next prime is 725531.

725527 is nontrivially palindromic in base 10.

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

It is not a de Polignac number, because 725527 - 2³ = 725519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 725495 and 725504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725507) 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, 32968 + ... + 32989.

It is an arithmetic number, because the mean of its divisors is an integer number (197874).

2⁷²⁵⁵²⁷ is an apocalyptic number.

725527 is a deficient number, since it is larger than the sum of its proper divisors (65969).

725527 is a wasteful number, since it uses less digits than its factorization.

725527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65968.

The product of its digits is 4900, while the sum is 28.

The square root of 725527 is about 851.7787271352. The cubic root of 725527 is about 89.8568506240.

The spelling of 725527 in words is "seven hundred twenty-five thousand, five hundred twenty-seven".