25361516227 has 2 divisors, whose sum is σ = 25361516228. Its totient is φ = 25361516226.

The previous prime is 25361516203. The next prime is 25361516251. The reversal of 25361516227 is 72261516352.

It is a balanced prime because it is at equal distance from previous prime (25361516203) and next prime (25361516251).

It is a cyclic number.

It is not a de Polignac number, because 25361516227 - 2²³ = 25353127619 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25361516227.

It is not a weakly prime, because it can be changed into another prime (25361516267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12680758113 + 12680758114.

It is an arithmetic number, because the mean of its divisors is an integer number (12680758114).

Almost surely, 2^25361516227 is an apocalyptic number.

25361516227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25361516227 is an equidigital number, since it uses as much as digits as its factorization.

25361516227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The spelling of 25361516227 in words is "twenty-five billion, three hundred sixty-one million, five hundred sixteen thousand, two hundred twenty-seven".