2021499 has 6 divisors (see below), whose sum is σ = 2919956. Its totient is φ = 1347660.

The previous prime is 2021497. The next prime is 2021501. The reversal of 2021499 is 9941202.

It is an interprime number because it is at equal distance from previous prime (2021497) and next prime (2021501).

It is not a de Polignac number, because 2021499 - 2¹ = 2021497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2021497) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 112297 + ... + 112314.

2^2021499 is an apocalyptic number.

2021499 is a deficient number, since it is larger than the sum of its proper divisors (898457).

2021499 is a wasteful number, since it uses less digits than its factorization.

2021499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224617 (or 224614 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 2021499 is about 1421.7942889181. The cubic root of 2021499 is about 126.4419476689.

The spelling of 2021499 in words is "two million, twenty-one thousand, four hundred ninety-nine".