8250013 has 2 divisors, whose sum is σ = 8250014. Its totient is φ = 8250012.

The previous prime is 8249993. The next prime is 8250019. The reversal of 8250013 is 3100528.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4782969 + 3467044 = 2187^2 + 1862^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8250013 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8250019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4125006 + 4125007.

It is an arithmetic number, because the mean of its divisors is an integer number (4125007).

Almost surely, 2^8250013 is an apocalyptic number.

It is an amenable number.

8250013 is a deficient number, since it is larger than the sum of its proper divisors (1).

8250013 is an equidigital number, since it uses as much as digits as its factorization.

8250013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 8250013 is about 2872.2835862777. The cubic root of 8250013 is about 202.0621071646.

The spelling of 8250013 in words is "eight million, two hundred fifty thousand, thirteen".