2115773 has 4 divisors (see below), whose sum is σ = 2308128. Its totient is φ = 1923420.

The previous prime is 2115767. The next prime is 2115787. The reversal of 2115773 is 3775112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2115773 - 2¹² = 2111677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2115703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96161 + ... + 96182.

It is an arithmetic number, because the mean of its divisors is an integer number (577032).

2^2115773 is an apocalyptic number.

It is an amenable number.

2115773 is a deficient number, since it is larger than the sum of its proper divisors (192355).

2115773 is a wasteful number, since it uses less digits than its factorization.

2115773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192354.

The product of its digits is 1470, while the sum is 26.

The square root of 2115773 is about 1454.5696958207. The cubic root of 2115773 is about 128.3777294346.

The spelling of 2115773 in words is "two million, one hundred fifteen thousand, seven hundred seventy-three".