2133901 has 24 divisors (see below), whose sum is σ = 2807136. Its totient is φ = 1602720.

The previous prime is 2133899. The next prime is 2133949. The reversal of 2133901 is 1093312.

It is not a de Polignac number, because 2133901 - 2¹ = 2133899 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 (2133991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19890 + ... + 19996.

It is an arithmetic number, because the mean of its divisors is an integer number (116964).

2^2133901 is an apocalyptic number.

It is an amenable number.

2133901 is a deficient number, since it is larger than the sum of its proper divisors (673235).

2133901 is a wasteful number, since it uses less digits than its factorization.

2133901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

The square root of 2133901 is about 1460.7878011539. The cubic root of 2133901 is about 128.7433351877.

It can be divided in two parts, 213 and 3901, that added together give a palindrome (4114).

The spelling of 2133901 in words is "two million, one hundred thirty-three thousand, nine hundred one".