249132825 has 36 divisors (see below), whose sum is σ = 447368688. Its totient is φ = 132530400.

The previous prime is 249132817. The next prime is 249132827. The reversal of 249132825 is 528231942.

It is a happy number.

It is not a de Polignac number, because 249132825 - 2³ = 249132817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 249132825.

It is not an unprimeable number, because it can be changed into a prime (249132827) 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 35 ways as a sum of consecutive naturals, for example, 103890 + ... + 106260.

It is an arithmetic number, because the mean of its divisors is an integer number (12426908).

Almost surely, 2^249132825 is an apocalyptic number.

249132825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

249132825 is a deficient number, since it is larger than the sum of its proper divisors (198235863).

249132825 is a wasteful number, since it uses less digits than its factorization.

249132825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2854 (or 2846 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 249132825 is about 15783.9419981195. The cubic root of 249132825 is about 629.2312997843.

The spelling of 249132825 in words is "two hundred forty-nine million, one hundred thirty-two thousand, eight hundred twenty-five".