25716077 has 4 divisors (see below), whose sum is σ = 26201340. Its totient is φ = 25230816.

The previous prime is 25716071. The next prime is 25716083. The reversal of 25716077 is 77061752.

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

It is an interprime number because it is at equal distance from previous prime (25716071) and next prime (25716083).

It can be written as a sum of positive squares in 2 ways, for example, as 19193161 + 6522916 = 4381^2 + 2554^2 .

It is a cyclic number.

It is not a de Polignac number, because 25716077 - 2⁸ = 25715821 is a prime.

It is a super-2 number, since 2×25716077² = 1322633232539858, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25716071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242552 + ... + 242657.

It is an arithmetic number, because the mean of its divisors is an integer number (6550335).

Almost surely, 2^25716077 is an apocalyptic number.

It is an amenable number.

25716077 is a deficient number, since it is larger than the sum of its proper divisors (485263).

25716077 is an equidigital number, since it uses as much as digits as its factorization.

25716077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485262.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 25716077 is about 5071.1021484486. The cubic root of 25716077 is about 295.1672976175.

The spelling of 25716077 in words is "twenty-five million, seven hundred sixteen thousand, seventy-seven".