249325525 has 6 divisors (see below), whose sum is σ = 309163682. Its totient is φ = 199460400.

The previous prime is 249325513. The next prime is 249325541. The reversal of 249325525 is 525523942.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 19439281 + 229886244 = 4409^2 + 15162^2 .

It is not a de Polignac number, because 249325525 - 2⁵ = 249325493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4986486 + ... + 4986535.

Almost surely, 2^249325525 is an apocalyptic number.

249325525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

249325525 is a deficient number, since it is larger than the sum of its proper divisors (59838157).

249325525 is an equidigital number, since it uses as much as digits as its factorization.

249325525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973031 (or 9973026 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 249325525 is about 15790.0451234314. The cubic root of 249325525 is about 629.3934912078.

The spelling of 249325525 in words is "two hundred forty-nine million, three hundred twenty-five thousand, five hundred twenty-five".