725343526 has 8 divisors (see below), whose sum is σ = 1103339664. Its totient is φ = 357563640.

The previous prime is 725343511. The next prime is 725343551. The reversal of 725343526 is 625343527.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×725343526² = 1052246461420225352, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553885 + ... + 2554168.

It is an arithmetic number, because the mean of its divisors is an integer number (137917458).

Almost surely, 2^725343526 is an apocalyptic number.

725343526 is a deficient number, since it is larger than the sum of its proper divisors (377996138).

725343526 is a wasteful number, since it uses less digits than its factorization.

725343526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5108126.

The product of its digits is 151200, while the sum is 37.

The square root of 725343526 is about 26932.2023978731. The cubic root of 725343526 is about 898.4927553914.

Subtracting from 725343526 its reverse (625343527), we obtain a palindrome (99999999).

The spelling of 725343526 in words is "seven hundred twenty-five million, three hundred forty-three thousand, five hundred twenty-six".