25049225 has 12 divisors (see below), whose sum is σ = 31158720. Its totient is φ = 19976400.

The previous prime is 25049221. The next prime is 25049281. The reversal of 25049225 is 52294052.

It is not a de Polignac number, because 25049225 - 2² = 25049221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25049221) 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 11 ways as a sum of consecutive naturals, for example, 7580 + ... + 10370.

It is an arithmetic number, because the mean of its divisors is an integer number (2596560).

Almost surely, 2^25049225 is an apocalyptic number.

25049225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25049225 is a deficient number, since it is larger than the sum of its proper divisors (6109495).

25049225 is a wasteful number, since it uses less digits than its factorization.

25049225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3160 (or 3155 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 25049225 is about 5004.9200792820. The cubic root of 25049225 is about 292.5935610309.

The spelling of 25049225 in words is "twenty-five million, forty-nine thousand, two hundred twenty-five".