25540695 has 24 divisors (see below), whose sum is σ = 46197216. Its totient is φ = 13028928.

The previous prime is 25540673. The next prime is 25540699. The reversal of 25540695 is 59604552.

25540695 is a `hidden beast` number, since 25 + 540 + 6 + 95 = 666.

It is not a de Polignac number, because 25540695 - 2¹⁶ = 25475159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25540699) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11304 + ... + 13373.

It is an arithmetic number, because the mean of its divisors is an integer number (1924884).

Almost surely, 2^25540695 is an apocalyptic number.

25540695 is a deficient number, since it is larger than the sum of its proper divisors (20656521).

25540695 is a wasteful number, since it uses less digits than its factorization.

25540695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24711 (or 24708 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 25540695 is about 5053.7802682744. The cubic root of 25540695 is about 294.4947590402.

The spelling of 25540695 in words is "twenty-five million, five hundred forty thousand, six hundred ninety-five".