94509131 has 2 divisors, whose sum is σ = 94509132. Its totient is φ = 94509130.

The previous prime is 94509127. The next prime is 94509157. The reversal of 94509131 is 13190549.

It is a weak prime.

It is an emirp because it is prime and its reverse (13190549) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94509131 - 2² = 94509127 is a prime.

It is a super-2 number, since 2×94509131² = 17863951684750322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (94509101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47254565 + 47254566.

It is an arithmetic number, because the mean of its divisors is an integer number (47254566).

Almost surely, 2^94509131 is an apocalyptic number.

94509131 is a deficient number, since it is larger than the sum of its proper divisors (1).

94509131 is an equidigital number, since it uses as much as digits as its factorization.

94509131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 94509131 is about 9721.5806842303. The cubic root of 94509131 is about 455.5030157289.

It can be divided in two parts, 9450 and 9131, that added together give a palindrome (18581).

The spelling of 94509131 in words is "ninety-four million, five hundred nine thousand, one hundred thirty-one".