94042513 has 2 divisors, whose sum is σ = 94042514. Its totient is φ = 94042512.

The previous prime is 94042463. The next prime is 94042517. The reversal of 94042513 is 31524049.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65011969 + 29030544 = 8063^2 + 5388^2 .

It is an emirp because it is prime and its reverse (31524049) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94042513 - 2¹³ = 94034321 is a prime.

It is a super-3 number, since 3×94042513³ (a number of 25 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (94042517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47021256 + 47021257.

It is an arithmetic number, because the mean of its divisors is an integer number (47021257).

Almost surely, 2^94042513 is an apocalyptic number.

It is an amenable number.

94042513 is a deficient number, since it is larger than the sum of its proper divisors (1).

94042513 is an equidigital number, since it uses as much as digits as its factorization.

94042513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 94042513 is about 9697.5519075693. The cubic root of 94042513 is about 454.7521300169.

The spelling of 94042513 in words is "ninety-four million, forty-two thousand, five hundred thirteen".