2133508 has 24 divisors (see below), whose sum is σ = 4074840. Its totient is φ = 971520.

The previous prime is 2133487. The next prime is 2133533. The reversal of 2133508 is 8053312.

It can be written as a sum of positive squares in 4 ways, for example, as 7744 + 2125764 = 88^2 + 1458^2 .

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4398 + ... + 4858.

It is an arithmetic number, because the mean of its divisors is an integer number (169785).

2^2133508 is an apocalyptic number.

It is an amenable number.

2133508 is a deficient number, since it is larger than the sum of its proper divisors (1941332).

2133508 is a wasteful number, since it uses less digits than its factorization.

2133508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2133508 is about 1460.6532785025. The cubic root of 2133508 is about 128.7354311601.

It can be divided in two parts, 213 and 3508, that added together give a square (3721 = 61²).

The spelling of 2133508 in words is "two million, one hundred thirty-three thousand, five hundred eight".