2997641 has 2 divisors, whose sum is σ = 2997642. Its totient is φ = 2997640.

The previous prime is 2997637. The next prime is 2997653. The reversal of 2997641 is 1467992.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2310400 + 687241 = 1520^2 + 829^2 .

It is a cyclic number.

It is not a de Polignac number, because 2997641 - 2² = 2997637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2997595 and 2997604.

It is not a weakly prime, because it can be changed into another prime (2997341) 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 as a sum of consecutive naturals, namely, 1498820 + 1498821.

It is an arithmetic number, because the mean of its divisors is an integer number (1498821).

2^2997641 is an apocalyptic number.

It is an amenable number.

2997641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2997641 is an equidigital number, since it uses as much as digits as its factorization.

2997641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 2997641 is about 1731.3696890035. The cubic root of 2997641 is about 144.1871441541.

The spelling of 2997641 in words is "two million, nine hundred ninety-seven thousand, six hundred forty-one".