25376261 has 2 divisors, whose sum is σ = 25376262. Its totient is φ = 25376260.

The previous prime is 25376243. The next prime is 25376269. The reversal of 25376261 is 16267352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13645636 + 11730625 = 3694^2 + 3425^2 .

It is a cyclic number.

It is not a de Polignac number, because 25376261 - 2¹⁴ = 25359877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25376269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12688130 + 12688131.

It is an arithmetic number, because the mean of its divisors is an integer number (12688131).

Almost surely, 2^25376261 is an apocalyptic number.

It is an amenable number.

25376261 is a deficient number, since it is larger than the sum of its proper divisors (1).

25376261 is an equidigital number, since it uses as much as digits as its factorization.

25376261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 25376261 is about 5037.4855831059. The cubic root of 25376261 is about 293.8614005724.

The spelling of 25376261 in words is "twenty-five million, three hundred seventy-six thousand, two hundred sixty-one".