25500495 has 16 divisors (see below), whose sum is σ = 41101920. Its totient is φ = 13499904.

The previous prime is 25500487. The next prime is 25500509. The reversal of 25500495 is 59400552.

It is a happy number.

It is not a de Polignac number, because 25500495 - 2³ = 25500487 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4150 + ... + 8259.

It is an arithmetic number, because the mean of its divisors is an integer number (2568870).

Almost surely, 2^25500495 is an apocalyptic number.

25500495 is a deficient number, since it is larger than the sum of its proper divisors (15601425).

25500495 is a wasteful number, since it uses less digits than its factorization.

25500495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12554.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 25500495 is about 5049.8014812466. The cubic root of 25500495 is about 294.3401703736.

The spelling of 25500495 in words is "twenty-five million, five hundred thousand, four hundred ninety-five".