25164079 has 2 divisors, whose sum is σ = 25164080. Its totient is φ = 25164078.

The previous prime is 25164053. The next prime is 25164101. The reversal of 25164079 is 97046152.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25164079 - 2⁷ = 25163951 is a prime.

It is equal to p_1575556 and since 25164079 and 1575556 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25164019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12582039 + 12582040.

It is an arithmetic number, because the mean of its divisors is an integer number (12582040).

Almost surely, 2^25164079 is an apocalyptic number.

25164079 is a deficient number, since it is larger than the sum of its proper divisors (1).

25164079 is an equidigital number, since it uses as much as digits as its factorization.

25164079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 25164079 is about 5016.3810660674. The cubic root of 25164079 is about 293.0400726408.

The spelling of 25164079 in words is "twenty-five million, one hundred sixty-four thousand, seventy-nine".