25980701 has 2 divisors, whose sum is σ = 25980702. Its totient is φ = 25980700.

The previous prime is 25980679. The next prime is 25980719. The reversal of 25980701 is 10708952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25745476 + 235225 = 5074^2 + 485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25980701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25980751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12990350 + 12990351.

It is an arithmetic number, because the mean of its divisors is an integer number (12990351).

Almost surely, 2^25980701 is an apocalyptic number.

It is an amenable number.

25980701 is a deficient number, since it is larger than the sum of its proper divisors (1).

25980701 is an equidigital number, since it uses as much as digits as its factorization.

25980701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 25980701 is about 5097.1267396446. The cubic root of 25980701 is about 296.1762897081.

The spelling of 25980701 in words is "twenty-five million, nine hundred eighty thousand, seven hundred one".