45871313 has 2 divisors, whose sum is σ = 45871314. Its totient is φ = 45871312.

The previous prime is 45871303. The next prime is 45871367. The reversal of 45871313 is 31317854.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24127744 + 21743569 = 4912^2 + 4663^2 .

It is a cyclic number.

It is not a de Polignac number, because 45871313 - 2⁶ = 45871249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 45871313.

It is not a weakly prime, because it can be changed into another prime (45871303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22935656 + 22935657.

It is an arithmetic number, because the mean of its divisors is an integer number (22935657).

Almost surely, 2^45871313 is an apocalyptic number.

It is an amenable number.

45871313 is a deficient number, since it is larger than the sum of its proper divisors (1).

45871313 is an equidigital number, since it uses as much as digits as its factorization.

45871313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 32.

The square root of 45871313 is about 6772.8364072964. The cubic root of 45871313 is about 357.9703506338.

The spelling of 45871313 in words is "forty-five million, eight hundred seventy-one thousand, three hundred thirteen".