2133157 has 4 divisors (see below), whose sum is σ = 2297260. Its totient is φ = 1969056.

The previous prime is 2133151. The next prime is 2133167. The reversal of 2133157 is 7513312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1437601 + 695556 = 1199^2 + 834^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133157 - 2⁷ = 2133029 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 (2133151) 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, 82032 + ... + 82057.

It is an arithmetic number, because the mean of its divisors is an integer number (574315).

2^2133157 is an apocalyptic number.

It is an amenable number.

2133157 is a deficient number, since it is larger than the sum of its proper divisors (164103).

2133157 is a wasteful number, since it uses less digits than its factorization.

2133157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164102.

The product of its digits is 630, while the sum is 22.

The square root of 2133157 is about 1460.5331218428. The cubic root of 2133157 is about 128.7283710172.

Adding to 2133157 its reverse (7513312), we get a palindrome (9646469).

The spelling of 2133157 in words is "two million, one hundred thirty-three thousand, one hundred fifty-seven".