2305133021 has 16 divisors (see below), whose sum is σ = 2372025600. Its totient is φ = 2239418688.

The previous prime is 2305132961. The next prime is 2305133023. The reversal of 2305133021 is 1203315032.

2305133021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2305133021 - 2⁶ = 2305132957 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2305132984 and 2305133002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2305133023) 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, 2078015 + ... + 2079123.

It is an arithmetic number, because the mean of its divisors is an integer number (148251600).

Almost surely, 2^2305133021 is an apocalyptic number.

It is an amenable number.

2305133021 is a deficient number, since it is larger than the sum of its proper divisors (66892579).

2305133021 is a wasteful number, since it uses less digits than its factorization.

2305133021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 2305133021 is about 48011.8008514573. The cubic root of 2305133021 is about 1320.9873659831.

Adding to 2305133021 its reverse (1203315032), we get a palindrome (3508448053).

The spelling of 2305133021 in words is "two billion, three hundred five million, one hundred thirty-three thousand, twenty-one".