45213071 has 2 divisors, whose sum is σ = 45213072. Its totient is φ = 45213070.

The previous prime is 45213053. The next prime is 45213083. The reversal of 45213071 is 17031254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45213071 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45213011) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22606535 + 22606536.

It is an arithmetic number, because the mean of its divisors is an integer number (22606536).

Almost surely, 2^45213071 is an apocalyptic number.

45213071 is a deficient number, since it is larger than the sum of its proper divisors (1).

45213071 is an equidigital number, since it uses as much as digits as its factorization.

45213071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 45213071 is about 6724.0665523179. The cubic root of 45213071 is about 356.2498325227.

The spelling of 45213071 in words is "forty-five million, two hundred thirteen thousand, seventy-one".