45566897 has 2 divisors, whose sum is σ = 45566898. Its totient is φ = 45566896.

The previous prime is 45566879. The next prime is 45566947. The reversal of 45566897 is 79866554.

Together with previous prime (45566879) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (45566947) can be obtained adding 45566897 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30481441 + 15085456 = 5521^2 + 3884^2 .

It is a cyclic number.

It is not a de Polignac number, because 45566897 - 2¹² = 45562801 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (45566827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22783448 + 22783449.

It is an arithmetic number, because the mean of its divisors is an integer number (22783449).

Almost surely, 2^45566897 is an apocalyptic number.

It is an amenable number.

45566897 is a deficient number, since it is larger than the sum of its proper divisors (1).

45566897 is an equidigital number, since it uses as much as digits as its factorization.

45566897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1814400, while the sum is 50.

The square root of 45566897 is about 6750.3256958461. The cubic root of 45566897 is about 357.1767257100.

The spelling of 45566897 in words is "forty-five million, five hundred sixty-six thousand, eight hundred ninety-seven".