249758325 has 72 divisors (see below), whose sum is σ = 483922400. Its totient is φ = 122705280.

The previous prime is 249758323. The next prime is 249758359. The reversal of 249758325 is 523857942.

249758325 is a `hidden beast` number, since 2 + 49 + 7 + 583 + 25 = 666.

249758325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 249758325 - 2¹ = 249758323 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (249758321) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 157386 + ... + 158964.

Almost surely, 2^249758325 is an apocalyptic number.

249758325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

249758325 is a deficient number, since it is larger than the sum of its proper divisors (234164075).

249758325 is a wasteful number, since it uses less digits than its factorization.

249758325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1651 (or 1643 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 249758325 is about 15803.7440184280. The cubic root of 249758325 is about 629.7574652209.

The spelling of 249758325 in words is "two hundred forty-nine million, seven hundred fifty-eight thousand, three hundred twenty-five".