94240609 has 2 divisors, whose sum is σ = 94240610. Its totient is φ = 94240608.

The previous prime is 94240603. The next prime is 94240667. The reversal of 94240609 is 90604249.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56295009 + 37945600 = 7503^2 + 6160^2 .

It is an emirp because it is prime and its reverse (90604249) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 94240609 - 2¹⁹ = 93716321 is a prime.

It is not a weakly prime, because it can be changed into another prime (94240603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47120304 + 47120305.

It is an arithmetic number, because the mean of its divisors is an integer number (47120305).

Almost surely, 2^94240609 is an apocalyptic number.

It is an amenable number.

94240609 is a deficient number, since it is larger than the sum of its proper divisors (1).

94240609 is an equidigital number, since it uses as much as digits as its factorization.

94240609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 94240609 is about 9707.7602463184. The cubic root of 94240609 is about 455.0712105266.

It can be divided in two parts, 94240 and 609, that added together give a palindrome (94849).

The spelling of 94240609 in words is "ninety-four million, two hundred forty thousand, six hundred nine".