25464975071 has 2 divisors, whose sum is σ = 25464975072. Its totient is φ = 25464975070.

The previous prime is 25464975061. The next prime is 25464975119. The reversal of 25464975071 is 17057946452.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25464975071 - 2⁶ = 25464975007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25464975061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12732487535 + 12732487536.

It is an arithmetic number, because the mean of its divisors is an integer number (12732487536).

Almost surely, 2^25464975071 is an apocalyptic number.

25464975071 is a deficient number, since it is larger than the sum of its proper divisors (1).

25464975071 is an equidigital number, since it uses as much as digits as its factorization.

25464975071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 25464975071 in words is "twenty-five billion, four hundred sixty-four million, nine hundred seventy-five thousand, seventy-one".