2051453533 has 4 divisors (see below), whose sum is σ = 2122193340. Its totient is φ = 1980713728.

The previous prime is 2051453501. The next prime is 2051453539. The reversal of 2051453533 is 3353541502.

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 1120776484 + 930677049 = 33478^2 + 30507^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051453533 - 2⁵ = 2051453501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2051453495 and 2051453504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051453539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35369860 + ... + 35369917.

It is an arithmetic number, because the mean of its divisors is an integer number (530548335).

Almost surely, 2^2051453533 is an apocalyptic number.

It is an amenable number.

2051453533 is a deficient number, since it is larger than the sum of its proper divisors (70739807).

2051453533 is an equidigital number, since it uses as much as digits as its factorization.

2051453533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70739806.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 2051453533 is about 45292.9744331281. The cubic root of 2051453533 is about 1270.6342612747.

It can be divided in two parts, 20514 and 53533, that added together give a palindrome (74047).

The spelling of 2051453533 in words is "two billion, fifty-one million, four hundred fifty-three thousand, five hundred thirty-three".