725196294581 has 8 divisors (see below), whose sum is σ = 791158594944. Its totient is φ = 659239888320.

The previous prime is 725196294539. The next prime is 725196294607. The reversal of 725196294581 is 185492691527.

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 725196294581 - 2²⁶ = 725129185717 is a prime.

It is a super-2 number, since 2×725196294581² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 725196294581.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725196294481) 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, 1214276 + ... + 1710221.

It is an arithmetic number, because the mean of its divisors is an integer number (98894824368).

Almost surely, 2^725196294581 is an apocalyptic number.

It is an amenable number.

725196294581 is a deficient number, since it is larger than the sum of its proper divisors (65962300363).

725196294581 is a wasteful number, since it uses less digits than its factorization.

725196294581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947051.

The product of its digits is 10886400, while the sum is 59.

The spelling of 725196294581 in words is "seven hundred twenty-five billion, one hundred ninety-six million, two hundred ninety-four thousand, five hundred eighty-one".