1250604013 has 2 divisors, whose sum is σ = 1250604014. Its totient is φ = 1250604012.

The previous prime is 1250603999. The next prime is 1250604029. The reversal of 1250604013 is 3104060521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 982070244 + 268533769 = 31338^2 + 16387^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1250604013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1250664013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 625302006 + 625302007.

It is an arithmetic number, because the mean of its divisors is an integer number (625302007).

Almost surely, 2^1250604013 is an apocalyptic number.

It is an amenable number.

1250604013 is a deficient number, since it is larger than the sum of its proper divisors (1).

1250604013 is an equidigital number, since it uses as much as digits as its factorization.

1250604013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 1250604013 is about 35363.8800614412. The cubic root of 1250604013 is about 1077.3908246179.

Adding to 1250604013 its reverse (3104060521), we get a palindrome (4354664534).

The spelling of 1250604013 in words is "one billion, two hundred fifty million, six hundred four thousand, thirteen".