25275275063 has 2 divisors, whose sum is σ = 25275275064. Its totient is φ = 25275275062.

The previous prime is 25275275059. The next prime is 25275275111. The reversal of 25275275063 is 36057257252.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25275275063 - 2² = 25275275059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25275205063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12637637531 + 12637637532.

It is an arithmetic number, because the mean of its divisors is an integer number (12637637532).

Almost surely, 2^25275275063 is an apocalyptic number.

25275275063 is a deficient number, since it is larger than the sum of its proper divisors (1).

25275275063 is an equidigital number, since it uses as much as digits as its factorization.

25275275063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 882000, while the sum is 44.

The spelling of 25275275063 in words is "twenty-five billion, two hundred seventy-five million, two hundred seventy-five thousand, sixty-three".