94142579 has 2 divisors, whose sum is σ = 94142580. Its totient is φ = 94142578.

The previous prime is 94142569. The next prime is 94142591. The reversal of 94142579 is 97524149.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 94142579 - 2²⁰ = 93094003 is a prime.

It is not a weakly prime, because it can be changed into another prime (94142569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47071289 + 47071290.

It is an arithmetic number, because the mean of its divisors is an integer number (47071290).

Almost surely, 2^94142579 is an apocalyptic number.

94142579 is a deficient number, since it is larger than the sum of its proper divisors (1).

94142579 is an equidigital number, since it uses as much as digits as its factorization.

94142579 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 41.

The square root of 94142579 is about 9702.7098792039. The cubic root of 94142579 is about 454.9133659473.

The spelling of 94142579 in words is "ninety-four million, one hundred forty-two thousand, five hundred seventy-nine".