725194157 has 8 divisors (see below), whose sum is σ = 734863584. Its totient is φ = 715547088.

The previous prime is 725194153. The next prime is 725194159. The reversal of 725194157 is 751491527.

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

It is a cyclic number.

It is not a de Polignac number, because 725194157 - 2² = 725194153 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 (725194153) 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 7 ways as a sum of consecutive naturals, for example, 65678 + ... + 75920.

It is an arithmetic number, because the mean of its divisors is an integer number (91857948).

Almost surely, 2^725194157 is an apocalyptic number.

It is an amenable number.

725194157 is a deficient number, since it is larger than the sum of its proper divisors (9669427).

725194157 is a wasteful number, since it uses less digits than its factorization.

725194157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11179.

The product of its digits is 88200, while the sum is 41.

The square root of 725194157 is about 26929.4291992979. The cubic root of 725194157 is about 898.4310760294.

The spelling of 725194157 in words is "seven hundred twenty-five million, one hundred ninety-four thousand, one hundred fifty-seven".