25974673 has 2 divisors, whose sum is σ = 25974674. Its totient is φ = 25974672.

The previous prime is 25974671. The next prime is 25974701. The reversal of 25974673 is 37647952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 693889 = 5028^2 + 833^2 .

It is a cyclic number.

It is not a de Polignac number, because 25974673 - 2¹ = 25974671 is a prime.

Together with 25974671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25974671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12987336 + 12987337.

It is an arithmetic number, because the mean of its divisors is an integer number (12987337).

Almost surely, 2^25974673 is an apocalyptic number.

It is an amenable number.

25974673 is a deficient number, since it is larger than the sum of its proper divisors (1).

25974673 is an equidigital number, since it uses as much as digits as its factorization.

25974673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 317520, while the sum is 43.

The square root of 25974673 is about 5096.5353918128. The cubic root of 25974673 is about 296.1533818226.

The spelling of 25974673 in words is "twenty-five million, nine hundred seventy-four thousand, six hundred seventy-three".