2021013007 has 8 divisors (see below), whose sum is σ = 2186066736. Its totient is φ = 1857329472.

The previous prime is 2021012999. The next prime is 2021013077. The reversal of 2021013007 is 7003101202.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2021013007 - 2³ = 2021012999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2021013077) 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 7 ways as a sum of consecutive naturals, for example, 339478 + ... + 345379.

It is an arithmetic number, because the mean of its divisors is an integer number (273258342).

Almost surely, 2^2021013007 is an apocalyptic number.

2021013007 is a deficient number, since it is larger than the sum of its proper divisors (165053729).

2021013007 is a wasteful number, since it uses less digits than its factorization.

2021013007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685097.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 2021013007 is about 44955.6782509173. The cubic root of 2021013007 is about 1264.3181412828.

Adding to 2021013007 its reverse (7003101202), we get a palindrome (9024114209).

The spelling of 2021013007 in words is "two billion, twenty-one million, thirteen thousand, seven".