725298455 has 16 divisors (see below), whose sum is σ = 1053207360. Its totient is φ = 468091392.

The previous prime is 725298403. The next prime is 725298463. The reversal of 725298455 is 554892527.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 725298455 - 2¹² = 725294359 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 608900 + ... + 610089.

It is an arithmetic number, because the mean of its divisors is an integer number (65825460).

Almost surely, 2^725298455 is an apocalyptic number.

725298455 is a deficient number, since it is larger than the sum of its proper divisors (327908905).

725298455 is a wasteful number, since it uses less digits than its factorization.

725298455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219018.

The product of its digits is 1008000, while the sum is 47.

The square root of 725298455 is about 26931.3656356301. The cubic root of 725298455 is about 898.4741449885.

The spelling of 725298455 in words is "seven hundred twenty-five million, two hundred ninety-eight thousand, four hundred fifty-five".