25878273 has 8 divisors (see below), whose sum is σ = 35617536. Its totient is φ = 16695600.

The previous prime is 25878269. The next prime is 25878287. The reversal of 25878273 is 37287852.

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

It is not a de Polignac number, because 25878273 - 2² = 25878269 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25878253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139038 + ... + 139223.

It is an arithmetic number, because the mean of its divisors is an integer number (4452192).

Almost surely, 2^25878273 is an apocalyptic number.

It is an amenable number.

25878273 is a deficient number, since it is larger than the sum of its proper divisors (9739263).

25878273 is a wasteful number, since it uses less digits than its factorization.

25878273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278295.

The product of its digits is 188160, while the sum is 42.

The square root of 25878273 is about 5087.0691955192. The cubic root of 25878273 is about 295.7865555521.

The spelling of 25878273 in words is "twenty-five million, eight hundred seventy-eight thousand, two hundred seventy-three".