2430133 has 4 divisors (see below), whose sum is σ = 2573100. Its totient is φ = 2287168.

The previous prime is 2430091. The next prime is 2430139. The reversal of 2430133 is 3310342.

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 1580049 + 850084 = 1257^2 + 922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2430133 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 (2430139) 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, 71458 + ... + 71491.

It is an arithmetic number, because the mean of its divisors is an integer number (643275).

2^2430133 is an apocalyptic number.

It is an amenable number.

2430133 is a deficient number, since it is larger than the sum of its proper divisors (142967).

2430133 is a wasteful number, since it uses less digits than its factorization.

2430133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142966.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 2430133 is about 1558.8883859982. Note that the first 3 decimals coincide. The cubic root of 2430133 is about 134.4445951373. Note that the first 3 decimals are identical.

Adding to 2430133 its reverse (3310342), we get a palindrome (5740475).

The spelling of 2430133 in words is "two million, four hundred thirty thousand, one hundred thirty-three".