25279125 has 16 divisors (see below), whose sum is σ = 42065088. Its totient is φ = 13482000.

The previous prime is 25279123. The next prime is 25279127. The reversal of 25279125 is 52197252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25279123) and next prime (25279127).

It is not a de Polignac number, because 25279125 - 2¹ = 25279123 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25279123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33331 + ... + 34080.

It is an arithmetic number, because the mean of its divisors is an integer number (2629068).

Almost surely, 2^25279125 is an apocalyptic number.

25279125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25279125 is a deficient number, since it is larger than the sum of its proper divisors (16785963).

25279125 is an equidigital number, since it uses as much as digits as its factorization.

25279125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67429 (or 67419 counting only the distinct ones).

The product of its digits is 12600, while the sum is 33.

The square root of 25279125 is about 5027.8350211597. The cubic root of 25279125 is about 293.4859706927.

The spelling of 25279125 in words is "twenty-five million, two hundred seventy-nine thousand, one hundred twenty-five".