25702861259 has 2 divisors, whose sum is σ = 25702861260. Its totient is φ = 25702861258.

The previous prime is 25702861231. The next prime is 25702861277. The reversal of 25702861259 is 95216820752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25702861259 - 2²⁰ = 25701812683 is a prime.

It is not a weakly prime, because it can be changed into another prime (25702869259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12851430629 + 12851430630.

It is an arithmetic number, because the mean of its divisors is an integer number (12851430630).

Almost surely, 2^25702861259 is an apocalyptic number.

25702861259 is a deficient number, since it is larger than the sum of its proper divisors (1).

25702861259 is an equidigital number, since it uses as much as digits as its factorization.

25702861259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 47.

The spelling of 25702861259 in words is "twenty-five billion, seven hundred two million, eight hundred sixty-one thousand, two hundred fifty-nine".