25679603 has 2 divisors, whose sum is σ = 25679604. Its totient is φ = 25679602.

The previous prime is 25679579. The next prime is 25679609. The reversal of 25679603 is 30697652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25679603 - 2¹⁰ = 25678579 is a prime.

It is not a weakly prime, because it can be changed into another prime (25679609) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12839801 + 12839802.

It is an arithmetic number, because the mean of its divisors is an integer number (12839802).

Almost surely, 2^25679603 is an apocalyptic number.

25679603 is a deficient number, since it is larger than the sum of its proper divisors (1).

25679603 is an equidigital number, since it uses as much as digits as its factorization.

25679603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 68040, while the sum is 38.

The square root of 25679603 is about 5067.5046127261. The cubic root of 25679603 is about 295.0276829331.

The spelling of 25679603 in words is "twenty-five million, six hundred seventy-nine thousand, six hundred three".