725358129 has 8 divisors (see below), whose sum is σ = 967335552. Its totient is φ = 483476400.

The previous prime is 725358089. The next prime is 725358173. The reversal of 725358129 is 921853527.

It is a happy number.

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

It is not a de Polignac number, because 725358129 - 2¹¹ = 725356081 is a prime.

It is a super-2 number, since 2×725358129² = 1052288830612761282, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (725358229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3822 + ... + 38279.

It is an arithmetic number, because the mean of its divisors is an integer number (120916944).

Almost surely, 2^725358129 is an apocalyptic number.

It is an amenable number.

725358129 is a deficient number, since it is larger than the sum of its proper divisors (241977423).

725358129 is a wasteful number, since it uses less digits than its factorization.

725358129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47847.

The product of its digits is 151200, while the sum is 42.

The square root of 725358129 is about 26932.4735031894. The cubic root of 725358129 is about 898.4987849949.

The spelling of 725358129 in words is "seven hundred twenty-five million, three hundred fifty-eight thousand, one hundred twenty-nine".