25776061 has 2 divisors, whose sum is σ = 25776062. Its totient is φ = 25776060.

The previous prime is 25776043. The next prime is 25776067. The reversal of 25776061 is 16067752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14175225 + 11600836 = 3765^2 + 3406^2 .

It is a cyclic number.

It is not a de Polignac number, because 25776061 - 2¹⁷ = 25644989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25776067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12888030 + 12888031.

It is an arithmetic number, because the mean of its divisors is an integer number (12888031).

Almost surely, 2^25776061 is an apocalyptic number.

It is an amenable number.

25776061 is a deficient number, since it is larger than the sum of its proper divisors (1).

25776061 is an equidigital number, since it uses as much as digits as its factorization.

25776061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 25776061 is about 5077.0129997864. The cubic root of 25776061 is about 295.3966167684.

The spelling of 25776061 in words is "twenty-five million, seven hundred seventy-six thousand, sixty-one".