25379161 has 2 divisors, whose sum is σ = 25379162. Its totient is φ = 25379160.

The previous prime is 25379153. The next prime is 25379191. The reversal of 25379161 is 16197352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16040025 + 9339136 = 4005^2 + 3056^2 .

It is a cyclic number.

It is not a de Polignac number, because 25379161 - 2³ = 25379153 is a prime.

It is not a weakly prime, because it can be changed into another prime (25379141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12689580 + 12689581.

It is an arithmetic number, because the mean of its divisors is an integer number (12689581).

Almost surely, 2^25379161 is an apocalyptic number.

It is an amenable number.

25379161 is a deficient number, since it is larger than the sum of its proper divisors (1).

25379161 is an equidigital number, since it uses as much as digits as its factorization.

25379161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 25379161 is about 5037.7734168976. The cubic root of 25379161 is about 293.8725943097.

The spelling of 25379161 in words is "twenty-five million, three hundred seventy-nine thousand, one hundred sixty-one".