2116245 has 32 divisors (see below), whose sum is σ = 3687552. Its totient is φ = 1032192.

The previous prime is 2116199. The next prime is 2116291. The reversal of 2116245 is 5426112.

2116245 = 33² + 34² + ... + 185².

It is an interprime number because it is at equal distance from previous prime (2116199) and next prime (2116291).

It is not a de Polignac number, because 2116245 - 2⁷ = 2116117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10869 + ... + 11061.

It is an arithmetic number, because the mean of its divisors is an integer number (115236).

2^2116245 is an apocalyptic number.

It is an amenable number.

2116245 is a deficient number, since it is larger than the sum of its proper divisors (1571307).

2116245 is a wasteful number, since it uses less digits than its factorization.

2116245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261.

The product of its digits is 480, while the sum is 21.

The square root of 2116245 is about 1454.7319340690. The cubic root of 2116245 is about 128.3872751629.

The spelling of 2116245 in words is "two million, one hundred sixteen thousand, two hundred forty-five".