25653095381 has 2 divisors, whose sum is σ = 25653095382. Its totient is φ = 25653095380.

The previous prime is 25653095329. The next prime is 25653095441. The reversal of 25653095381 is 18359035652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17946889156 + 7706206225 = 133966^2 + 87785^2 .

It is a cyclic number.

It is not a de Polignac number, because 25653095381 - 2¹⁸ = 25652833237 is a prime.

It is a super-2 number, since 2×25653095381² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25653094381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12826547690 + 12826547691.

It is an arithmetic number, because the mean of its divisors is an integer number (12826547691).

Almost surely, 2^25653095381 is an apocalyptic number.

It is an amenable number.

25653095381 is a deficient number, since it is larger than the sum of its proper divisors (1).

25653095381 is an equidigital number, since it uses as much as digits as its factorization.

25653095381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 47.

The spelling of 25653095381 in words is "twenty-five billion, six hundred fifty-three million, ninety-five thousand, three hundred eighty-one".