25576945 has 8 divisors (see below), whose sum is σ = 32307840. Its totient is φ = 19384560.

The previous prime is 25576933. The next prime is 25576949. The reversal of 25576945 is 54967552.

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

It is not a de Polignac number, because 25576945 - 2⁹ = 25576433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25576949) 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, 134521 + ... + 134710.

It is an arithmetic number, because the mean of its divisors is an integer number (4038480).

Almost surely, 2^25576945 is an apocalyptic number.

It is an amenable number.

25576945 is a deficient number, since it is larger than the sum of its proper divisors (6730895).

25576945 is a wasteful number, since it uses less digits than its factorization.

25576945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269255.

The product of its digits is 378000, while the sum is 43.

The square root of 25576945 is about 5057.3654208491. The cubic root of 25576945 is about 294.6340189994.

The spelling of 25576945 in words is "twenty-five million, five hundred seventy-six thousand, nine hundred forty-five".