245566927 has 2 divisors, whose sum is σ = 245566928. Its totient is φ = 245566926.

The previous prime is 245566877. The next prime is 245566939. The reversal of 245566927 is 729665542.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-245566927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245560927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122783463 + 122783464.

It is an arithmetic number, because the mean of its divisors is an integer number (122783464).

Almost surely, 2^245566927 is an apocalyptic number.

245566927 is a deficient number, since it is larger than the sum of its proper divisors (1).

245566927 is an equidigital number, since it uses as much as digits as its factorization.

245566927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 46.

The square root of 245566927 is about 15670.5751968458. The cubic root of 245566927 is about 626.2147485280.

The spelling of 245566927 in words is "two hundred forty-five million, five hundred sixty-six thousand, nine hundred twenty-seven".