25734673 has 2 divisors, whose sum is σ = 25734674. Its totient is φ = 25734672.

The previous prime is 25734671. The next prime is 25734691. The reversal of 25734673 is 37643752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17073424 + 8661249 = 4132^2 + 2943^2 .

It is a cyclic number.

It is not a de Polignac number, because 25734673 - 2¹ = 25734671 is a prime.

Together with 25734671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25734671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12867336 + 12867337.

It is an arithmetic number, because the mean of its divisors is an integer number (12867337).

Almost surely, 2^25734673 is an apocalyptic number.

It is an amenable number.

25734673 is a deficient number, since it is larger than the sum of its proper divisors (1).

25734673 is an equidigital number, since it uses as much as digits as its factorization.

25734673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 37.

The square root of 25734673 is about 5072.9353435659. The cubic root of 25734673 is about 295.2384283287.

The spelling of 25734673 in words is "twenty-five million, seven hundred thirty-four thousand, six hundred seventy-three".