2051324433 has 10 divisors (see below), whose sum is σ = 3064324274. Its totient is φ = 1367549568.

The previous prime is 2051324419. The next prime is 2051324479. The reversal of 2051324433 is 3344231502.

2051324433 is a `hidden beast` number, since 205 + 1 + 3 + 24 + 433 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2051002944 + 321489 = 45288^2 + 567^2 .

It is not a de Polignac number, because 2051324433 - 2¹⁶ = 2051258897 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2051324397 and 2051324406.

It is not an unprimeable number, because it can be changed into a prime (2051324633) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12662416 + ... + 12662577.

Almost surely, 2^2051324433 is an apocalyptic number.

It is an amenable number.

2051324433 is a deficient number, since it is larger than the sum of its proper divisors (1012999841).

2051324433 is an equidigital number, since it uses as much as digits as its factorization.

2051324433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25325005 (or 25324996 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 2051324433 is about 45291.5492448647. The cubic root of 2051324433 is about 1270.6076066253.

Adding to 2051324433 its reverse (3344231502), we get a palindrome (5395555935).

The spelling of 2051324433 in words is "two billion, fifty-one million, three hundred twenty-four thousand, four hundred thirty-three".