25761011 has 2 divisors, whose sum is σ = 25761012. Its totient is φ = 25761010.

The previous prime is 25761007. The next prime is 25761013. The reversal of 25761011 is 11016752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25761011 - 2² = 25761007 is a prime.

Together with 25761013, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25761013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12880505 + 12880506.

It is an arithmetic number, because the mean of its divisors is an integer number (12880506).

Almost surely, 2^25761011 is an apocalyptic number.

25761011 is a deficient number, since it is larger than the sum of its proper divisors (1).

25761011 is an equidigital number, since it uses as much as digits as its factorization.

25761011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 25761011 is about 5075.5306126552. The cubic root of 25761011 is about 295.3391139998.

Adding to 25761011 its reverse (11016752), we get a palindrome (36777763).

The spelling of 25761011 in words is "twenty-five million, seven hundred sixty-one thousand, eleven".