245114221571 has 2 divisors, whose sum is σ = 245114221572. Its totient is φ = 245114221570.

The previous prime is 245114221559. The next prime is 245114221579. The reversal of 245114221571 is 175122411542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245114221571 - 2²⁶ = 245047112707 is a prime.

It is not a weakly prime, because it can be changed into another prime (245114221579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122557110785 + 122557110786.

It is an arithmetic number, because the mean of its divisors is an integer number (122557110786).

Almost surely, 2^245114221571 is an apocalyptic number.

245114221571 is a deficient number, since it is larger than the sum of its proper divisors (1).

245114221571 is an equidigital number, since it uses as much as digits as its factorization.

245114221571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 35.

The spelling of 245114221571 in words is "two hundred forty-five billion, one hundred fourteen million, two hundred twenty-one thousand, five hundred seventy-one".