25041249 has 6 divisors (see below), whose sum is σ = 36170706. Its totient is φ = 16694160.

The previous prime is 25041217. The next prime is 25041251. The reversal of 25041249 is 94214052.

It can be written as a sum of positive squares in only one way, i.e., 18766224 + 6275025 = 4332^2 + 2505^2 .

It is not a de Polignac number, because 25041249 - 2⁵ = 25041217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25041299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1391172 + ... + 1391189.

It is an arithmetic number, because the mean of its divisors is an integer number (6028451).

Almost surely, 2^25041249 is an apocalyptic number.

It is an amenable number.

25041249 is a deficient number, since it is larger than the sum of its proper divisors (11129457).

25041249 is a wasteful number, since it uses less digits than its factorization.

25041249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2782367 (or 2782364 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 25041249 is about 5004.1231999222. The cubic root of 25041249 is about 292.5625025319.

The spelling of 25041249 in words is "twenty-five million, forty-one thousand, two hundred forty-nine".