45563491 has 2 divisors, whose sum is σ = 45563492. Its totient is φ = 45563490.

The previous prime is 45563473. The next prime is 45563509. The reversal of 45563491 is 19436554.

It is a balanced prime because it is at equal distance from previous prime (45563473) and next prime (45563509).

It is a cyclic number.

It is not a de Polignac number, because 45563491 - 2⁷ = 45563363 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45563491.

It is not a weakly prime, because it can be changed into another prime (45563471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22781745 + 22781746.

It is an arithmetic number, because the mean of its divisors is an integer number (22781746).

Almost surely, 2^45563491 is an apocalyptic number.

45563491 is a deficient number, since it is larger than the sum of its proper divisors (1).

45563491 is an equidigital number, since it uses as much as digits as its factorization.

45563491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 37.

The square root of 45563491 is about 6750.0734070083. The cubic root of 45563491 is about 357.1678261629.

The spelling of 45563491 in words is "forty-five million, five hundred sixty-three thousand, four hundred ninety-one".