2133501 has 16 divisors (see below), whose sum is σ = 2980800. Its totient is φ = 1355648.

The previous prime is 2133487. The next prime is 2133533. The reversal of 2133501 is 1053312.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2133501 - 2⁹ = 2132989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11830 + ... + 12008.

It is an arithmetic number, because the mean of its divisors is an integer number (186300).

2^2133501 is an apocalyptic number.

It is an amenable number.

2133501 is a deficient number, since it is larger than the sum of its proper divisors (847299).

2133501 is a wasteful number, since it uses less digits than its factorization.

2133501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 2133501 is about 1460.6508823124. The cubic root of 2133501 is about 128.7352903671.

Adding to 2133501 its reverse (1053312), we get a palindrome (3186813).

The spelling of 2133501 in words is "two million, one hundred thirty-three thousand, five hundred one".