25461087 has 16 divisors (see below), whose sum is σ = 36237312. Its totient is φ = 15845760.

The previous prime is 25461071. The next prime is 25461109. The reversal of 25461087 is 78016452.

It is not a de Polignac number, because 25461087 - 2⁴ = 25461071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25461017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4512 + ... + 8442.

It is an arithmetic number, because the mean of its divisors is an integer number (2264832).

Almost surely, 2^25461087 is an apocalyptic number.

25461087 is a deficient number, since it is larger than the sum of its proper divisors (10776225).

25461087 is a wasteful number, since it uses less digits than its factorization.

25461087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 25461087 is about 5045.8980370198. The cubic root of 25461087 is about 294.1884695574.

The spelling of 25461087 in words is "twenty-five million, four hundred sixty-one thousand, eighty-seven".