45581897 has 2 divisors, whose sum is σ = 45581898. Its totient is φ = 45581896.

The previous prime is 45581863. The next prime is 45581911. The reversal of 45581897 is 79818554.

45581897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41783296 + 3798601 = 6464^2 + 1949^2 .

It is a cyclic number.

It is not a de Polignac number, because 45581897 - 2¹⁸ = 45319753 is a prime.

It is not a weakly prime, because it can be changed into another prime (45581197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22790948 + 22790949.

It is an arithmetic number, because the mean of its divisors is an integer number (22790949).

Almost surely, 2^45581897 is an apocalyptic number.

It is an amenable number.

45581897 is a deficient number, since it is larger than the sum of its proper divisors (1).

45581897 is an equidigital number, since it uses as much as digits as its factorization.

45581897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 403200, while the sum is 47.

The square root of 45581897 is about 6751.4366619261. The cubic root of 45581897 is about 357.2159139764.

The spelling of 45581897 in words is "forty-five million, five hundred eighty-one thousand, eight hundred ninety-seven".