25275277524947 has 2 divisors, whose sum is σ = 25275277524948. Its totient is φ = 25275277524946.

The previous prime is 25275277524901. The next prime is 25275277525007. The reversal of 25275277524947 is 74942577257252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25275277524947 - 2⁶ = 25275277524883 is a prime.

It is not a weakly prime, because it can be changed into another prime (25275277524047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12637638762473 + 12637638762474.

It is an arithmetic number, because the mean of its divisors is an integer number (12637638762474).

Almost surely, 2^{25275277524947} is an apocalyptic number.

25275277524947 is a deficient number, since it is larger than the sum of its proper divisors (1).

25275277524947 is an equidigital number, since it uses as much as digits as its factorization.

25275277524947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691488000, while the sum is 68.

The spelling of 25275277524947 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred seventy-seven million, five hundred twenty-four thousand, nine hundred forty-seven".