245567526271 has 2 divisors, whose sum is σ = 245567526272. Its totient is φ = 245567526270.

The previous prime is 245567526233. The next prime is 245567526299. The reversal of 245567526271 is 172625765542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245567526271 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245567526371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122783763135 + 122783763136.

It is an arithmetic number, because the mean of its divisors is an integer number (122783763136).

Almost surely, 2^245567526271 is an apocalyptic number.

245567526271 is a deficient number, since it is larger than the sum of its proper divisors (1).

245567526271 is an equidigital number, since it uses as much as digits as its factorization.

245567526271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7056000, while the sum is 52.

The spelling of 245567526271 in words is "two hundred forty-five billion, five hundred sixty-seven million, five hundred twenty-six thousand, two hundred seventy-one".