94542661 has 4 divisors (see below), whose sum is σ = 100104012. Its totient is φ = 88981312.

The previous prime is 94542647. The next prime is 94542667. The reversal of 94542661 is 16624549.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16624549 = 3347 ⋅4967.

It can be written as a sum of positive squares in 2 ways, for example, as 25553025 + 68989636 = 5055^2 + 8306^2 .

It is a cyclic number.

It is not a de Polignac number, because 94542661 - 2⁷ = 94542533 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 94542661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94542667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2780650 + ... + 2780683.

It is an arithmetic number, because the mean of its divisors is an integer number (25026003).

Almost surely, 2^94542661 is an apocalyptic number.

It is an amenable number.

94542661 is a deficient number, since it is larger than the sum of its proper divisors (5561351).

94542661 is a wasteful number, since it uses less digits than its factorization.

94542661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5561350.

The product of its digits is 51840, while the sum is 37.

The square root of 94542661 is about 9723.3050450965. The cubic root of 94542661 is about 455.5568772275.

The spelling of 94542661 in words is "ninety-four million, five hundred forty-two thousand, six hundred sixty-one".