25511795 has 4 divisors (see below), whose sum is σ = 30614160. Its totient is φ = 20409432.

The previous prime is 25511779. The next prime is 25511797. The reversal of 25511795 is 59711552.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25511795 - 2⁴ = 25511779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25511797) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2551175 + ... + 2551184.

It is an arithmetic number, because the mean of its divisors is an integer number (7653540).

Almost surely, 2^25511795 is an apocalyptic number.

25511795 is a deficient number, since it is larger than the sum of its proper divisors (5102365).

25511795 is an equidigital number, since it uses as much as digits as its factorization.

25511795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5102364.

The product of its digits is 15750, while the sum is 35.

The square root of 25511795 is about 5050.9202131889. The cubic root of 25511795 is about 294.3836408076.

The spelling of 25511795 in words is "twenty-five million, five hundred eleven thousand, seven hundred ninety-five".