2471149 has 2 divisors, whose sum is σ = 2471150. Its totient is φ = 2471148.

The previous prime is 2471113. The next prime is 2471153. The reversal of 2471149 is 9411742.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2160900 + 310249 = 1470^2 + 557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471149 is a prime.

It is a super-2 number, since 2×2471149² = 12213154760402, which contains 22 as substring.

It is a Chen prime.

2471149 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2471179) 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, 1235574 + 1235575.

It is an arithmetic number, because the mean of its divisors is an integer number (1235575).

2^2471149 is an apocalyptic number.

It is an amenable number.

2471149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471149 is an equidigital number, since it uses as much as digits as its factorization.

2471149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2016, while the sum is 28.

The square root of 2471149 is about 1571.9888676451. The cubic root of 2471149 is about 135.1967683891.

The spelling of 2471149 in words is "two million, four hundred seventy-one thousand, one hundred forty-nine".