249407325 has 18 divisors (see below), whose sum is σ = 446716634. Its totient is φ = 133017120.

The previous prime is 249407303. The next prime is 249407339. The reversal of 249407325 is 523704942.

249407325 is a `hidden beast` number, since 249 + 407 + 3 + 2 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 5391684 + 244015641 = 2322^2 + 15621^2 .

It is not a de Polignac number, because 249407325 - 2¹⁰ = 249406301 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 249407325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 554014 + ... + 554463.

Almost surely, 2^249407325 is an apocalyptic number.

249407325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

249407325 is a deficient number, since it is larger than the sum of its proper divisors (197309309).

249407325 is a wasteful number, since it uses less digits than its factorization.

249407325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1108493 (or 1108485 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 249407325 is about 15792.6351506011. The cubic root of 249407325 is about 629.4623152324.

The spelling of 249407325 in words is "two hundred forty-nine million, four hundred seven thousand, three hundred twenty-five".