25670903 has 2 divisors, whose sum is σ = 25670904. Its totient is φ = 25670902.

The previous prime is 25670863. The next prime is 25670963. The reversal of 25670903 is 30907652.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25670903 - 2⁶ = 25670839 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 25670903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25670963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12835451 + 12835452.

It is an arithmetic number, because the mean of its divisors is an integer number (12835452).

Almost surely, 2^25670903 is an apocalyptic number.

25670903 is a deficient number, since it is larger than the sum of its proper divisors (1).

25670903 is an equidigital number, since it uses as much as digits as its factorization.

25670903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 25670903 is about 5066.6461293443. The cubic root of 25670903 is about 294.9943616657.

The spelling of 25670903 in words is "twenty-five million, six hundred seventy thousand, nine hundred three".