2116747 has 2 divisors, whose sum is σ = 2116748. Its totient is φ = 2116746.

The previous prime is 2116729. The next prime is 2116757. The reversal of 2116747 is 7476112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2116747 - 2¹¹ = 2114699 is a prime.

It is equal to p₁₅₆₉₇₀ and since 2116747 and 156970 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2116717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058373 + 1058374.

It is an arithmetic number, because the mean of its divisors is an integer number (1058374).

2^2116747 is an apocalyptic number.

2116747 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116747 is an equidigital number, since it uses as much as digits as its factorization.

2116747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2352, while the sum is 28.

The square root of 2116747 is about 1454.9044642175. The cubic root of 2116747 is about 128.3974260539.

The spelling of 2116747 in words is "two million, one hundred sixteen thousand, seven hundred forty-seven".