1250013073 has 2 divisors, whose sum is σ = 1250013074. Its totient is φ = 1250013072.

The previous prime is 1250013041. The next prime is 1250013113. The reversal of 1250013073 is 3703100521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1203881809 + 46131264 = 34697^2 + 6792^2 .

It is an emirp because it is prime and its reverse (3703100521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1250013073 - 2⁵ = 1250013041 is a prime.

It is not a weakly prime, because it can be changed into another prime (1250013473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625006536 + 625006537.

It is an arithmetic number, because the mean of its divisors is an integer number (625006537).

Almost surely, 2^1250013073 is an apocalyptic number.

It is an amenable number.

1250013073 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250013073 is an equidigital number, since it uses as much as digits as its factorization.

1250013073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 1250013073 is about 35355.5239389830. The cubic root of 1250013073 is about 1077.2211003261.

Adding to 1250013073 its reverse (3703100521), we get a palindrome (4953113594).

The spelling of 1250013073 in words is "one billion, two hundred fifty million, thirteen thousand, seventy-three".