2997557 has 2 divisors, whose sum is σ = 2997558. Its totient is φ = 2997556.

The previous prime is 2997529. The next prime is 2997563. The reversal of 2997557 is 7557992.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1833316 + 1164241 = 1354^2 + 1079^2 .

It is a cyclic number.

It is not a de Polignac number, because 2997557 - 2⁸ = 2997301 is a prime.

It is a Chen prime.

It is a plaindrome in base 9.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2997587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1498778 + 1498779.

It is an arithmetic number, because the mean of its divisors is an integer number (1498779).

2^2997557 is an apocalyptic number.

It is an amenable number.

2997557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2997557 is an equidigital number, since it uses as much as digits as its factorization.

2997557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 198450, while the sum is 44.

The square root of 2997557 is about 1731.3454305828. The cubic root of 2997557 is about 144.1857973358.

The spelling of 2997557 in words is "two million, nine hundred ninety-seven thousand, five hundred fifty-seven".