25056890 has 16 divisors (see below), whose sum is σ = 47063808. Its totient is φ = 9586896.

The previous prime is 25056869. The next prime is 25056893. The reversal of 25056890 is 9865052.

It is a self number, because there is not a number n which added to its sum of digits gives 25056890.

It is not an unprimeable number, because it can be changed into a prime (25056893) 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, 54242 + ... + 54701.

It is an arithmetic number, because the mean of its divisors is an integer number (2941488).

Almost surely, 2^25056890 is an apocalyptic number.

25056890 is a deficient number, since it is larger than the sum of its proper divisors (22006918).

25056890 is a wasteful number, since it uses less digits than its factorization.

25056890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108973.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 25056890 is about 5005.6857672051. The cubic root of 25056890 is about 292.6234022858.

The spelling of 25056890 in words is "twenty-five million, fifty-six thousand, eight hundred ninety".