25337982563 has 2 divisors, whose sum is σ = 25337982564. Its totient is φ = 25337982562.

The previous prime is 25337982541. The next prime is 25337982577. The reversal of 25337982563 is 36528973352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25337982563 - 2¹⁴ = 25337966179 is a prime.

It is not a weakly prime, because it can be changed into another prime (25337984563) 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, 12668991281 + 12668991282.

It is an arithmetic number, because the mean of its divisors is an integer number (12668991282).

Almost surely, 2^25337982563 is an apocalyptic number.

25337982563 is a deficient number, since it is larger than the sum of its proper divisors (1).

25337982563 is an equidigital number, since it uses as much as digits as its factorization.

25337982563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8164800, while the sum is 53.

The spelling of 25337982563 in words is "twenty-five billion, three hundred thirty-seven million, nine hundred eighty-two thousand, five hundred sixty-three".