245365450571 has 2 divisors, whose sum is σ = 245365450572. Its totient is φ = 245365450570.

The previous prime is 245365450513. The next prime is 245365450621. The reversal of 245365450571 is 175054563542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245365450571 - 2⁶ = 245365450507 is a prime.

It is not a weakly prime, because it can be changed into another prime (245365452571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122682725285 + 122682725286.

It is an arithmetic number, because the mean of its divisors is an integer number (122682725286).

Almost surely, 2^245365450571 is an apocalyptic number.

245365450571 is a deficient number, since it is larger than the sum of its proper divisors (1).

245365450571 is an equidigital number, since it uses as much as digits as its factorization.

245365450571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 245365450571 in words is "two hundred forty-five billion, three hundred sixty-five million, four hundred fifty thousand, five hundred seventy-one".