2021315514 has 8 divisors (see below), whose sum is σ = 4042631040. Its totient is φ = 673771836.

The previous prime is 2021315507. The next prime is 2021315557. The reversal of 2021315514 is 4155131202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2021315514 is an admirable number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 168442954 + ... + 168442965.

It is an arithmetic number, because the mean of its divisors is an integer number (505328880).

Almost surely, 2^2021315514 is an apocalyptic number.

2021315514 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2021315514 is a wasteful number, since it uses less digits than its factorization.

2021315514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336885924.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2021315514 is about 44959.0426277073. The cubic root of 2021315514 is about 1264.3812195519.

Adding to 2021315514 its reverse (4155131202), we get a palindrome (6176446716).

The spelling of 2021315514 in words is "two billion, twenty-one million, three hundred fifteen thousand, five hundred fourteen".