45638753 has 2 divisors, whose sum is σ = 45638754. Its totient is φ = 45638752.

The previous prime is 45638731. The next prime is 45638759. The reversal of 45638753 is 35783654.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41886784 + 3751969 = 6472^2 + 1937^2 .

It is a cyclic number.

It is not a de Polignac number, because 45638753 - 2⁸ = 45638497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45638753.

It is not a weakly prime, because it can be changed into another prime (45638759) 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, 22819376 + 22819377.

It is an arithmetic number, because the mean of its divisors is an integer number (22819377).

Almost surely, 2^45638753 is an apocalyptic number.

It is an amenable number.

45638753 is a deficient number, since it is larger than the sum of its proper divisors (1).

45638753 is an equidigital number, since it uses as much as digits as its factorization.

45638753 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 302400, while the sum is 41.

The square root of 45638753 is about 6755.6460090801. The cubic root of 45638753 is about 357.3643751768.

The spelling of 45638753 in words is "forty-five million, six hundred thirty-eight thousand, seven hundred fifty-three".