25075965479 has 2 divisors, whose sum is σ = 25075965480. Its totient is φ = 25075965478.

The previous prime is 25075965463. The next prime is 25075965623. The reversal of 25075965479 is 97456957052.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25075965479 - 2⁴ = 25075965463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25075965449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12537982739 + 12537982740.

It is an arithmetic number, because the mean of its divisors is an integer number (12537982740).

Almost surely, 2^25075965479 is an apocalyptic number.

25075965479 is a deficient number, since it is larger than the sum of its proper divisors (1).

25075965479 is an equidigital number, since it uses as much as digits as its factorization.

25075965479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23814000, while the sum is 59.

The spelling of 25075965479 in words is "twenty-five billion, seventy-five million, nine hundred sixty-five thousand, four hundred seventy-nine".