25337982541 has 2 divisors, whose sum is σ = 25337982542. Its totient is φ = 25337982540.

The previous prime is 25337982487. The next prime is 25337982563. The reversal of 25337982541 is 14528973352.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21135053641 + 4202928900 = 145379^2 + 64830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25337982541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25337982581) 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, 12668991270 + 12668991271.

It is an arithmetic number, because the mean of its divisors is an integer number (12668991271).

Almost surely, 2^25337982541 is an apocalyptic number.

It is an amenable number.

25337982541 is a deficient number, since it is larger than the sum of its proper divisors (1).

25337982541 is an equidigital number, since it uses as much as digits as its factorization.

25337982541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 49.

The spelling of 25337982541 in words is "twenty-five billion, three hundred thirty-seven million, nine hundred eighty-two thousand, five hundred forty-one".