25905273 has 8 divisors (see below), whose sum is σ = 35027136. Its totient is φ = 17026800.

The previous prime is 25905259. The next prime is 25905277. The reversal of 25905273 is 37250952.

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

It is not a de Polignac number, because 25905273 - 2⁸ = 25905017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25905277) 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, 60598 + ... + 61023.

It is an arithmetic number, because the mean of its divisors is an integer number (4378392).

Almost surely, 2^25905273 is an apocalyptic number.

It is an amenable number.

25905273 is a deficient number, since it is larger than the sum of its proper divisors (9121863).

25905273 is a wasteful number, since it uses less digits than its factorization.

25905273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121695.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 25905273 is about 5089.7222910489. The cubic root of 25905273 is about 295.8893890647.

The spelling of 25905273 in words is "twenty-five million, nine hundred five thousand, two hundred seventy-three".