2321019 has 12 divisors (see below), whose sum is σ = 3365856. Its totient is φ = 1541232.

The previous prime is 2321017. The next prime is 2321023. The reversal of 2321019 is 9101232.

It is a happy number.

It is not a de Polignac number, because 2321019 - 2¹ = 2321017 is a prime.

It is a super-2 number, since 2×2321019² = 10774258396722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2320992 and 2321010.

It is not an unprimeable number, because it can be changed into a prime (2321017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3889 + ... + 4445.

It is an arithmetic number, because the mean of its divisors is an integer number (280488).

2^2321019 is an apocalyptic number.

2321019 is a deficient number, since it is larger than the sum of its proper divisors (1044837).

2321019 is a wasteful number, since it uses less digits than its factorization.

2321019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 2321019 is about 1523.4890875881. The cubic root of 2321019 is about 132.4014979309.

The spelling of 2321019 in words is "two million, three hundred twenty-one thousand, nineteen".