25025979 has 8 divisors (see below), whose sum is σ = 36401472. Its totient is φ = 15167240.

The previous prime is 25025969. The next prime is 25025981. The reversal of 25025979 is 97952052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25025979 - 2⁴ = 25025963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25025939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 379149 + ... + 379214.

It is an arithmetic number, because the mean of its divisors is an integer number (4550184).

Almost surely, 2^25025979 is an apocalyptic number.

25025979 is a deficient number, since it is larger than the sum of its proper divisors (11375493).

25025979 is a wasteful number, since it uses less digits than its factorization.

25025979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758377.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 25025979 is about 5002.5972254420. The cubic root of 25025979 is about 292.5030228338.

The spelling of 25025979 in words is "twenty-five million, twenty-five thousand, nine hundred seventy-nine".