25320555012293 has 2 divisors, whose sum is σ = 25320555012294. Its totient is φ = 25320555012292.

The previous prime is 25320555012287. The next prime is 25320555012331. The reversal of 25320555012293 is 39221055502352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24727775126209 + 592779886084 = 4972703^2 + 769922^2 .

It is a cyclic number.

It is not a de Polignac number, because 25320555012293 - 2³² = 25316260044997 is a prime.

It is a super-2 number, since 2×25320555012293² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25320555012253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12660277506146 + 12660277506147.

It is an arithmetic number, because the mean of its divisors is an integer number (12660277506147).

Almost surely, 2^{25320555012293} is an apocalyptic number.

It is an amenable number.

25320555012293 is a deficient number, since it is larger than the sum of its proper divisors (1).

25320555012293 is an equidigital number, since it uses as much as digits as its factorization.

25320555012293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 810000, while the sum is 44.

The spelling of 25320555012293 in words is "twenty-five trillion, three hundred twenty billion, five hundred fifty-five million, twelve thousand, two hundred ninety-three".