45842513 has 2 divisors, whose sum is σ = 45842514. Its totient is φ = 45842512.

The previous prime is 45842479. The next prime is 45842527. The reversal of 45842513 is 31524854.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45589504 + 253009 = 6752^2 + 503^2 .

It is a cyclic number.

It is not a de Polignac number, because 45842513 - 2¹⁶ = 45776977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45842513.

It is not a weakly prime, because it can be changed into another prime (45842213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22921256 + 22921257.

It is an arithmetic number, because the mean of its divisors is an integer number (22921257).

Almost surely, 2^45842513 is an apocalyptic number.

It is an amenable number.

45842513 is a deficient number, since it is larger than the sum of its proper divisors (1).

45842513 is an equidigital number, since it uses as much as digits as its factorization.

45842513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 32.

The square root of 45842513 is about 6770.7099332345. The cubic root of 45842513 is about 357.8954185120.

The spelling of 45842513 in words is "forty-five million, eight hundred forty-two thousand, five hundred thirteen".