25255765 has 8 divisors (see below), whose sum is σ = 30734208. Its totient is φ = 19919760.

The previous prime is 25255733. The next prime is 25255777. The reversal of 25255765 is 56755252.

It is a happy number.

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

It is not a de Polignac number, because 25255765 - 2⁵ = 25255733 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 35217 + ... + 35926.

It is an arithmetic number, because the mean of its divisors is an integer number (3841776).

Almost surely, 2^25255765 is an apocalyptic number.

It is an amenable number.

25255765 is a deficient number, since it is larger than the sum of its proper divisors (5478443).

25255765 is an equidigital number, since it uses as much as digits as its factorization.

25255765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71219.

The product of its digits is 105000, while the sum is 37.

The square root of 25255765 is about 5025.5114167615. The cubic root of 25255765 is about 293.3955410708.

The spelling of 25255765 in words is "twenty-five million, two hundred fifty-five thousand, seven hundred sixty-five".