2116357 has 2 divisors, whose sum is σ = 2116358. Its totient is φ = 2116356.

The previous prime is 2116351. The next prime is 2116393. The reversal of 2116357 is 7536112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1934881 + 181476 = 1391^2 + 426^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116357 - 2¹⁹ = 1592069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058178 + 1058179.

It is an arithmetic number, because the mean of its divisors is an integer number (1058179).

2^2116357 is an apocalyptic number.

It is an amenable number.

2116357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116357 is an equidigital number, since it uses as much as digits as its factorization.

2116357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1260, while the sum is 25.

The square root of 2116357 is about 1454.7704286244. The cubic root of 2116357 is about 128.3895400426.

The spelling of 2116357 in words is "two million, one hundred sixteen thousand, three hundred fifty-seven".