25502651 has 2 divisors, whose sum is σ = 25502652. Its totient is φ = 25502650.

The previous prime is 25502611. The next prime is 25502671. The reversal of 25502651 is 15620552.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25502651 - 2¹⁰ = 25501627 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25502651.

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, 12751325 + 12751326.

It is an arithmetic number, because the mean of its divisors is an integer number (12751326).

Almost surely, 2^25502651 is an apocalyptic number.

25502651 is a deficient number, since it is larger than the sum of its proper divisors (1).

25502651 is an equidigital number, since it uses as much as digits as its factorization.

25502651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 25502651 is about 5050.0149504729. The cubic root of 25502651 is about 294.3484653697.

The spelling of 25502651 in words is "twenty-five million, five hundred two thousand, six hundred fifty-one".