2021453051 has 16 divisors (see below), whose sum is σ = 2166199200. Its totient is φ = 1879718400.

The previous prime is 2021453041. The next prime is 2021453081. The reversal of 2021453051 is 1503541202.

It is a cyclic number.

It is not a de Polignac number, because 2021453051 - 2⁶ = 2021452987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021453041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 496976 + ... + 501026.

It is an arithmetic number, because the mean of its divisors is an integer number (135387450).

Almost surely, 2^2021453051 is an apocalyptic number.

2021453051 is a deficient number, since it is larger than the sum of its proper divisors (144746149).

2021453051 is a wasteful number, since it uses less digits than its factorization.

2021453051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4414.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2021453051 is about 44960.5721827470. The cubic root of 2021453051 is about 1264.4098964630.

Adding to 2021453051 its reverse (1503541202), we get a palindrome (3524994253).

The spelling of 2021453051 in words is "two billion, twenty-one million, four hundred fifty-three thousand, fifty-one".