25326667 has 2 divisors, whose sum is σ = 25326668. Its totient is φ = 25326666.

The previous prime is 25326661. The next prime is 25326671. The reversal of 25326667 is 76662352.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25326667 is a prime.

It is a super-2 number, since 2×25326667² = 1282880122657778, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25326661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12663333 + 12663334.

It is an arithmetic number, because the mean of its divisors is an integer number (12663334).

Almost surely, 2^25326667 is an apocalyptic number.

25326667 is a deficient number, since it is larger than the sum of its proper divisors (1).

25326667 is an equidigital number, since it uses as much as digits as its factorization.

25326667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 25326667 is about 5032.5606802104. The cubic root of 25326667 is about 293.6698400862.

The spelling of 25326667 in words is "twenty-five million, three hundred twenty-six thousand, six hundred sixty-seven".