94451213 has 2 divisors, whose sum is σ = 94451214. Its totient is φ = 94451212.

The previous prime is 94451207. The next prime is 94451233. The reversal of 94451213 is 31215449.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60497284 + 33953929 = 7778^2 + 5827^2 .

It is an emirp because it is prime and its reverse (31215449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94451213 - 2¹⁰ = 94450189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94451233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47225606 + 47225607.

It is an arithmetic number, because the mean of its divisors is an integer number (47225607).

Almost surely, 2^94451213 is an apocalyptic number.

It is an amenable number.

94451213 is a deficient number, since it is larger than the sum of its proper divisors (1).

94451213 is an equidigital number, since it uses as much as digits as its factorization.

94451213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 94451213 is about 9718.6013911468. The cubic root of 94451213 is about 455.4099481265.

The spelling of 94451213 in words is "ninety-four million, four hundred fifty-one thousand, two hundred thirteen".