25575682063 has 2 divisors, whose sum is σ = 25575682064. Its totient is φ = 25575682062.

The previous prime is 25575682061. The next prime is 25575682109. The reversal of 25575682063 is 36028657552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25575682063 - 2¹ = 25575682061 is a prime.

Together with 25575682061, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 25575681998 and 25575682016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25575682061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12787841031 + 12787841032.

It is an arithmetic number, because the mean of its divisors is an integer number (12787841032).

Almost surely, 2^25575682063 is an apocalyptic number.

25575682063 is a deficient number, since it is larger than the sum of its proper divisors (1).

25575682063 is an equidigital number, since it uses as much as digits as its factorization.

25575682063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024000, while the sum is 49.

The spelling of 25575682063 in words is "twenty-five billion, five hundred seventy-five million, six hundred eighty-two thousand, sixty-three".