25994767 has 2 divisors, whose sum is σ = 25994768. Its totient is φ = 25994766.

The previous prime is 25994753. The next prime is 25994783. The reversal of 25994767 is 76749952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25994767 - 2¹¹ = 25992719 is a prime.

It is a super-2 number, since 2×25994767² = 1351455822768578, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25994767.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25994167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12997383 + 12997384.

It is an arithmetic number, because the mean of its divisors is an integer number (12997384).

Almost surely, 2^25994767 is an apocalyptic number.

25994767 is a deficient number, since it is larger than the sum of its proper divisors (1).

25994767 is an equidigital number, since it uses as much as digits as its factorization.

25994767 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 25994767 is about 5098.5063499029. The cubic root of 25994767 is about 296.2297301970.

The spelling of 25994767 in words is "twenty-five million, nine hundred ninety-four thousand, seven hundred sixty-seven".