2991097 has 4 divisors (see below), whose sum is σ = 3087616. Its totient is φ = 2894580.

The previous prime is 2991091. The next prime is 2991103. The reversal of 2991097 is 7901992.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2991091) and next prime (2991103).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2991097 is a prime.

It is a super-2 number, since 2×2991097² = 17893322526818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2991091) 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, 48213 + ... + 48274.

It is an arithmetic number, because the mean of its divisors is an integer number (771904).

2^2991097 is an apocalyptic number.

It is an amenable number.

2991097 is a deficient number, since it is larger than the sum of its proper divisors (96519).

2991097 is an equidigital number, since it uses as much as digits as its factorization.

2991097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96518.

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 2991097 is about 1729.4788232297. The cubic root of 2991097 is about 144.0821451322.

The spelling of 2991097 in words is "two million, nine hundred ninety-one thousand, ninety-seven".