25885461 has 16 divisors (see below), whose sum is σ = 39533184. Its totient is φ = 14758464.

The previous prime is 25885427. The next prime is 25885493. The reversal of 25885461 is 16458852.

It is not a de Polignac number, because 25885461 - 2⁶ = 25885397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25885261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10591 + ... + 12803.

It is an arithmetic number, because the mean of its divisors is an integer number (2470824).

Almost surely, 2^25885461 is an apocalyptic number.

25885461 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

25885461 is a deficient number, since it is larger than the sum of its proper divisors (13647723).

25885461 is a wasteful number, since it uses less digits than its factorization.

25885461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780.

The product of its digits is 76800, while the sum is 39.

The square root of 25885461 is about 5087.7756436384. The cubic root of 25885461 is about 295.8139391020.

The spelling of 25885461 in words is "twenty-five million, eight hundred eighty-five thousand, four hundred sixty-one".