2051132533 has 4 divisors (see below), whose sum is σ = 2053166380. Its totient is φ = 2049098688.

The previous prime is 2051132527. The next prime is 2051132549. The reversal of 2051132533 is 3352311502.

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 701084484 + 1350048049 = 26478^2 + 36743^2 .

It is a cyclic number.

It is not a de Polignac number, because 2051132533 - 2⁹ = 2051132021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2051132498 and 2051132507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051132513) 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, 1015410 + ... + 1017427.

It is an arithmetic number, because the mean of its divisors is an integer number (513291595).

Almost surely, 2^2051132533 is an apocalyptic number.

It is an amenable number.

2051132533 is a deficient number, since it is larger than the sum of its proper divisors (2033847).

2051132533 is a wasteful number, since it uses less digits than its factorization.

2051132533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033846.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 2051132533 is about 45289.4306985637. The cubic root of 2051132533 is about 1270.5679838984.

The spelling of 2051132533 in words is "two billion, fifty-one million, one hundred thirty-two thousand, five hundred thirty-three".