25273975 has 12 divisors (see below), whose sum is σ = 31415896. Its totient is φ = 20170080.

The previous prime is 25273973. The next prime is 25273979. The reversal of 25273975 is 57937252.

It is not a de Polignac number, because 25273975 - 2¹ = 25273973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25273973) 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, 12109 + ... + 14041.

Almost surely, 2^25273975 is an apocalyptic number.

25273975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25273975 is a deficient number, since it is larger than the sum of its proper divisors (6141921).

25273975 is a wasteful number, since it uses less digits than its factorization.

25273975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2466 (or 2461 counting only the distinct ones).

The product of its digits is 132300, while the sum is 40.

The square root of 25273975 is about 5027.3228462075. The cubic root of 25273975 is about 293.4660391563.

The spelling of 25273975 in words is "twenty-five million, two hundred seventy-three thousand, nine hundred seventy-five".