45271013 has 2 divisors, whose sum is σ = 45271014. Its totient is φ = 45271012.

The previous prime is 45271003. The next prime is 45271019. The reversal of 45271013 is 31017254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43059844 + 2211169 = 6562^2 + 1487^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45271013 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 45271013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45271019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22635506 + 22635507.

It is an arithmetic number, because the mean of its divisors is an integer number (22635507).

Almost surely, 2^45271013 is an apocalyptic number.

It is an amenable number.

45271013 is a deficient number, since it is larger than the sum of its proper divisors (1).

45271013 is an equidigital number, since it uses as much as digits as its factorization.

45271013 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 45271013 is about 6728.3737262432. The cubic root of 45271013 is about 356.4019494209.

Adding to 45271013 its reverse (31017254), we get a palindrome (76288267).

The spelling of 45271013 in words is "forty-five million, two hundred seventy-one thousand, thirteen".