2961997 has 2 divisors, whose sum is σ = 2961998. Its totient is φ = 2961996.

The previous prime is 2961991. The next prime is 2962007. The reversal of 2961997 is 7991692.

2961997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2725801 + 236196 = 1651^2 + 486^2 .

It is a cyclic number.

It is not a de Polignac number, because 2961997 - 2³ = 2961989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2961991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1480998 + 1480999.

It is an arithmetic number, because the mean of its divisors is an integer number (1480999).

2^2961997 is an apocalyptic number.

It is an amenable number.

2961997 is a deficient number, since it is larger than the sum of its proper divisors (1).

2961997 is an equidigital number, since it uses as much as digits as its factorization.

2961997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 61236, while the sum is 43.

The square root of 2961997 is about 1721.0453218902. The cubic root of 2961997 is about 143.6133693581.

It can be divided in two parts, 29 and 61997, that added together give a palindrome (62026).

The spelling of 2961997 in words is "two million, nine hundred sixty-one thousand, nine hundred ninety-seven".