25155667 has 2 divisors, whose sum is σ = 25155668. Its totient is φ = 25155666.

The previous prime is 25155661. The next prime is 25155701. The reversal of 25155667 is 76655152.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25155667 - 2³ = 25155659 is a prime.

It is not a weakly prime, because it can be changed into another prime (25155661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12577833 + 12577834.

It is an arithmetic number, because the mean of its divisors is an integer number (12577834).

Almost surely, 2^25155667 is an apocalyptic number.

25155667 is a deficient number, since it is larger than the sum of its proper divisors (1).

25155667 is an equidigital number, since it uses as much as digits as its factorization.

25155667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 37.

The square root of 25155667 is about 5015.5425429359. The cubic root of 25155667 is about 293.0074159344.

The spelling of 25155667 in words is "twenty-five million, one hundred fifty-five thousand, six hundred sixty-seven".