25575079293293 has 2 divisors, whose sum is σ = 25575079293294. Its totient is φ = 25575079293292.

The previous prime is 25575079293277. The next prime is 25575079293311. The reversal of 25575079293293 is 39239297057552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25001020010404 + 574059282889 = 5000102^2 + 757667^2 .

It is a cyclic number.

It is not a de Polignac number, because 25575079293293 - 2⁴ = 25575079293277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25575079293193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12787539646646 + 12787539646647.

It is an arithmetic number, because the mean of its divisors is an integer number (12787539646647).

Almost surely, 2^{25575079293293} is an apocalyptic number.

It is an amenable number.

25575079293293 is a deficient number, since it is larger than the sum of its proper divisors (1).

25575079293293 is an equidigital number, since it uses as much as digits as its factorization.

25575079293293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 321489000, while the sum is 68.

The spelling of 25575079293293 in words is "twenty-five trillion, five hundred seventy-five billion, seventy-nine million, two hundred ninety-three thousand, two hundred ninety-three".