25623667 has 2 divisors, whose sum is σ = 25623668. Its totient is φ = 25623666.

The previous prime is 25623659. The next prime is 25623673. The reversal of 25623667 is 76632652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25623667 - 2³ = 25623659 is a prime.

It is not a weakly prime, because it can be changed into another prime (25623167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12811833 + 12811834.

It is an arithmetic number, because the mean of its divisors is an integer number (12811834).

Almost surely, 2^25623667 is an apocalyptic number.

25623667 is a deficient number, since it is larger than the sum of its proper divisors (1).

25623667 is an equidigital number, since it uses as much as digits as its factorization.

25623667 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 25623667 is about 5061.9825167616. The cubic root of 25623667 is about 294.8133148063.

The spelling of 25623667 in words is "twenty-five million, six hundred twenty-three thousand, six hundred sixty-seven".