94313509 has 2 divisors, whose sum is σ = 94313510. Its totient is φ = 94313508.

The previous prime is 94313459. The next prime is 94313519. The reversal of 94313509 is 90531349.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93508900 + 804609 = 9670^2 + 897^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94313509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (94313519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47156754 + 47156755.

It is an arithmetic number, because the mean of its divisors is an integer number (47156755).

Almost surely, 2^94313509 is an apocalyptic number.

It is an amenable number.

94313509 is a deficient number, since it is larger than the sum of its proper divisors (1).

94313509 is an equidigital number, since it uses as much as digits as its factorization.

94313509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14580, while the sum is 34.

The square root of 94313509 is about 9711.5142485608. The cubic root of 94313509 is about 455.1885206797.

The spelling of 94313509 in words is "ninety-four million, three hundred thirteen thousand, five hundred nine".