25250074780459 has 2 divisors, whose sum is σ = 25250074780460. Its totient is φ = 25250074780458.

The previous prime is 25250074780439. The next prime is 25250074780561. The reversal of 25250074780459 is 95408747005252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25250074780459 - 2¹⁹ = 25250074256171 is a prime.

It is not a weakly prime, because it can be changed into another prime (25250074780429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12625037390229 + 12625037390230.

It is an arithmetic number, because the mean of its divisors is an integer number (12625037390230).

Almost surely, 2^{25250074780459} is an apocalyptic number.

25250074780459 is a deficient number, since it is larger than the sum of its proper divisors (1).

25250074780459 is an equidigital number, since it uses as much as digits as its factorization.

25250074780459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224000, while the sum is 58.

The spelling of 25250074780459 in words is "twenty-five trillion, two hundred fifty billion, seventy-four million, seven hundred eighty thousand, four hundred fifty-nine".