25059761 has 2 divisors, whose sum is σ = 25059762. Its totient is φ = 25059760.

The previous prime is 25059757. The next prime is 25059763. The reversal of 25059761 is 16795052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24750625 + 309136 = 4975^2 + 556^2 .

It is a cyclic number.

It is not a de Polignac number, because 25059761 - 2² = 25059757 is a prime.

Together with 25059763, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_1569437 and since 25059761 and 1569437 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (25059763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12529880 + 12529881.

It is an arithmetic number, because the mean of its divisors is an integer number (12529881).

Almost surely, 2^25059761 is an apocalyptic number.

It is an amenable number.

25059761 is a deficient number, since it is larger than the sum of its proper divisors (1).

25059761 is an equidigital number, since it uses as much as digits as its factorization.

25059761 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 25059761 is about 5005.9725328851. The cubic root of 25059761 is about 292.6345780503.

The spelling of 25059761 in words is "twenty-five million, fifty-nine thousand, seven hundred sixty-one".