2021363534 has 4 divisors (see below), whose sum is σ = 3032045304. Its totient is φ = 1010681766.

The previous prime is 2021363473. The next prime is 2021363537. The reversal of 2021363534 is 4353631202.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×2021363534³ (a number of 29 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2021363497 and 2021363506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021363537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505340882 + ... + 505340885.

It is an arithmetic number, because the mean of its divisors is an integer number (758011326).

Almost surely, 2^2021363534 is an apocalyptic number.

2021363534 is a deficient number, since it is larger than the sum of its proper divisors (1010681770).

2021363534 is a wasteful number, since it uses less digits than its factorization.

2021363534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010681769.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 2021363534 is about 44959.5766661565. The cubic root of 2021363534 is about 1264.3912320256.

Adding to 2021363534 its reverse (4353631202), we get a palindrome (6374994736).

The spelling of 2021363534 in words is "two billion, twenty-one million, three hundred sixty-three thousand, five hundred thirty-four".