25316771 has 4 divisors (see below), whose sum is σ = 25326912. Its totient is φ = 25306632.

The previous prime is 25316749. The next prime is 25316777. The reversal of 25316771 is 17761352.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25316771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25316777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1601 + ... + 7293.

It is an arithmetic number, because the mean of its divisors is an integer number (6331728).

Almost surely, 2^25316771 is an apocalyptic number.

25316771 is a deficient number, since it is larger than the sum of its proper divisors (10141).

25316771 is an equidigital number, since it uses as much as digits as its factorization.

25316771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140.

The product of its digits is 8820, while the sum is 32.

The square root of 25316771 is about 5031.5773868639. The cubic root of 25316771 is about 293.6315861340.

The spelling of 25316771 in words is "twenty-five million, three hundred sixteen thousand, seven hundred seventy-one".