25005761 has 8 divisors (see below), whose sum is σ = 28465344. Its totient is φ = 21743920.

The previous prime is 25005749. The next prime is 25005769. The reversal of 25005761 is 16750052.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25005761 - 2⁶ = 25005697 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25005761.

It is not an unprimeable number, because it can be changed into a prime (25005769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49166 + ... + 49671.

It is an arithmetic number, because the mean of its divisors is an integer number (3558168).

Almost surely, 2^25005761 is an apocalyptic number.

It is an amenable number.

25005761 is a deficient number, since it is larger than the sum of its proper divisors (3459583).

25005761 is a wasteful number, since it uses less digits than its factorization.

25005761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98871.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 25005761 is about 5000.5760668147. The cubic root of 25005761 is about 292.4242324512.

The spelling of 25005761 in words is "twenty-five million, five thousand, seven hundred sixty-one".