2516197 has 2 divisors, whose sum is σ = 2516198. Its totient is φ = 2516196.

The previous prime is 2516123. The next prime is 2516201. The reversal of 2516197 is 7916152.

2516197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1766241 + 749956 = 1329^2 + 866^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2516197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2516497) 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, 1258098 + 1258099.

It is an arithmetic number, because the mean of its divisors is an integer number (1258099).

2^2516197 is an apocalyptic number.

It is an amenable number.

2516197 is a deficient number, since it is larger than the sum of its proper divisors (1).

2516197 is an equidigital number, since it uses as much as digits as its factorization.

2516197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 31.

The square root of 2516197 is about 1586.2525019681. The cubic root of 2516197 is about 136.0133529277.

The spelling of 2516197 in words is "two million, five hundred sixteen thousand, one hundred ninety-seven".