25900495 has 4 divisors (see below), whose sum is σ = 31080600. Its totient is φ = 20720392.

The previous prime is 25900493. The next prime is 25900499. The reversal of 25900495 is 59400952.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25900495 - 2¹ = 25900493 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25900495.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25900493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2590045 + ... + 2590054.

It is an arithmetic number, because the mean of its divisors is an integer number (7770150).

Almost surely, 2^25900495 is an apocalyptic number.

25900495 is a deficient number, since it is larger than the sum of its proper divisors (5180105).

25900495 is an equidigital number, since it uses as much as digits as its factorization.

25900495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5180104.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 25900495 is about 5089.2528921247. The cubic root of 25900495 is about 295.8711965468.

The spelling of 25900495 in words is "twenty-five million, nine hundred thousand, four hundred ninety-five".