25942705 has 16 divisors (see below), whose sum is σ = 31933440. Its totient is φ = 20225088.

The previous prime is 25942703. The next prime is 25942727. The reversal of 25942705 is 50724952.

It is a cyclic number.

It is not a de Polignac number, because 25942705 - 2¹ = 25942703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25942703) 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, 58876 + ... + 59314.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^25942705 is an apocalyptic number.

It is an amenable number.

25942705 is a deficient number, since it is larger than the sum of its proper divisors (5990735).

25942705 is a wasteful number, since it uses less digits than its factorization.

25942705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 25942705 is about 5093.3981780340. The cubic root of 25942705 is about 296.0318362702.

The spelling of 25942705 in words is "twenty-five million, nine hundred forty-two thousand, seven hundred five".