2118053 has 4 divisors (see below), whose sum is σ = 2420640. Its totient is φ = 1815468.

The previous prime is 2118049. The next prime is 2118059. The reversal of 2118053 is 3508112.

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 2118053 - 2² = 2118049 is a prime.

It is a super-2 number, since 2×2118053² = 8972297021618, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2118059) 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, 151283 + ... + 151296.

It is an arithmetic number, because the mean of its divisors is an integer number (605160).

2^2118053 is an apocalyptic number.

It is an amenable number.

2118053 is a deficient number, since it is larger than the sum of its proper divisors (302587).

2118053 is an equidigital number, since it uses as much as digits as its factorization.

2118053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302586.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 2118053 is about 1455.3532217300. The cubic root of 2118053 is about 128.4238270304.

The spelling of 2118053 in words is "two million, one hundred eighteen thousand, fifty-three".