2601149 has 2 divisors, whose sum is σ = 2601150. Its totient is φ = 2601148.

The previous prime is 2601143. The next prime is 2601167. The reversal of 2601149 is 9411062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2229049 + 372100 = 1493^2 + 610^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2601149 is a prime.

It is a super-2 number, since 2×2601149² = 13531952240402, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2601143) 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, 1300574 + 1300575.

It is an arithmetic number, because the mean of its divisors is an integer number (1300575).

2^2601149 is an apocalyptic number.

It is an amenable number.

2601149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2601149 is an equidigital number, since it uses as much as digits as its factorization.

2601149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 2601149 is about 1612.8078000803. The cubic root of 2601149 is about 137.5271395465.

The spelling of 2601149 in words is "two million, six hundred one thousand, one hundred forty-nine".