25761941 has 2 divisors, whose sum is σ = 25761942. Its totient is φ = 25761940.

The previous prime is 25761913. The next prime is 25761971. The reversal of 25761941 is 14916752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25300900 + 461041 = 5030^2 + 679^2 .

It is a cyclic number.

It is not a de Polignac number, because 25761941 - 2¹⁴ = 25745557 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25761971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12880970 + 12880971.

It is an arithmetic number, because the mean of its divisors is an integer number (12880971).

Almost surely, 2^25761941 is an apocalyptic number.

It is an amenable number.

25761941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25761941 is an equidigital number, since it uses as much as digits as its factorization.

25761941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 35.

The square root of 25761941 is about 5075.6222278653. The cubic root of 25761941 is about 295.3426679762.

The spelling of 25761941 in words is "twenty-five million, seven hundred sixty-one thousand, nine hundred forty-one".