2021241233 has 6 divisors (see below), whose sum is σ = 2221695042. Its totient is φ = 1837491920.

The previous prime is 2021241227. The next prime is 2021241241. The reversal of 2021241233 is 3321421202.

It can be written as a sum of positive squares in only one way, i.e., 1641303169 + 379938064 = 40513^2 + 19492^2 .

It is not a de Polignac number, because 2021241233 - 2¹² = 2021237137 is a prime.

It is a super-2 number, since 2×2021241233² = 8170832243958720578, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2021241253) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8352116 + ... + 8352357.

It is an arithmetic number, because the mean of its divisors is an integer number (370282507).

Almost surely, 2^2021241233 is an apocalyptic number.

It is an amenable number.

2021241233 is a deficient number, since it is larger than the sum of its proper divisors (200453809).

2021241233 is a wasteful number, since it uses less digits than its factorization.

2021241233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16704495 (or 16704484 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 2021241233 is about 44958.2165237902. The cubic root of 2021241233 is about 1264.3657311812.

Adding to 2021241233 its reverse (3321421202), we get a palindrome (5342662435).

The spelling of 2021241233 in words is "two billion, twenty-one million, two hundred forty-one thousand, two hundred thirty-three".