9591061 has 4 divisors (see below), whose sum is σ = 9686124. Its totient is φ = 9496000.

The previous prime is 9591053. The next prime is 9591073. The reversal of 9591061 is 1601959.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 555025 = 3006^2 + 745^2 .

It is a cyclic number.

It is not a de Polignac number, because 9591061 - 2³ = 9591053 is a prime.

It is a super-2 number, since 2×9591061² = 183976902211442, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9591011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47380 + ... + 47581.

It is an arithmetic number, because the mean of its divisors is an integer number (2421531).

Almost surely, 2^9591061 is an apocalyptic number.

It is an amenable number.

9591061 is a deficient number, since it is larger than the sum of its proper divisors (95063).

9591061 is a wasteful number, since it uses less digits than its factorization.

9591061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95062.

The product of its (nonzero) digits is 2430, while the sum is 31.

The square root of 9591061 is about 3096.9438160871. The cubic root of 9591061 is about 212.4657273447.

The spelling of 9591061 in words is "nine million, five hundred ninety-one thousand, sixty-one".