25502671 has 2 divisors, whose sum is σ = 25502672. Its totient is φ = 25502670.

The previous prime is 25502651. The next prime is 25502681. The reversal of 25502671 is 17620552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25502671 - 2¹³ = 25494479 is a prime.

It is equal to p_1595323 and since 25502671 and 1595323 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 (25502611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12751335 + 12751336.

It is an arithmetic number, because the mean of its divisors is an integer number (12751336).

Almost surely, 2^25502671 is an apocalyptic number.

25502671 is a deficient number, since it is larger than the sum of its proper divisors (1).

25502671 is an equidigital number, since it uses as much as digits as its factorization.

25502671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 25502671 is about 5050.0169306647. The cubic root of 25502671 is about 294.3485423155.

The spelling of 25502671 in words is "twenty-five million, five hundred two thousand, six hundred seventy-one".