25095890 has 16 divisors (see below), whose sum is σ = 45403200. Its totient is φ = 9987120.

The previous prime is 25095883. The next prime is 25095907. The reversal of 25095890 is 9859052.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4316 + ... + 8295.

It is an arithmetic number, because the mean of its divisors is an integer number (2837700).

Almost surely, 2^25095890 is an apocalyptic number.

25095890 is a deficient number, since it is larger than the sum of its proper divisors (20307310).

25095890 is a wasteful number, since it uses less digits than its factorization.

25095890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12817.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 25095890 is about 5009.5798226997. The cubic root of 25095890 is about 292.7751422779.

The spelling of 25095890 in words is "twenty-five million, ninety-five thousand, eight hundred ninety".