2042481 has 16 divisors (see below), whose sum is σ = 3276800. Its totient is φ = 1105488.

The previous prime is 2042477. The next prime is 2042483. The reversal of 2042481 is 1842402.

It is not a de Polignac number, because 2042481 - 2² = 2042477 is a prime.

It is a super-2 number, since 2×2042481² = 8343457270722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

2042481 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (2042483) 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, 2161 + ... + 2958.

It is an arithmetic number, because the mean of its divisors is an integer number (204800).

2^2042481 is an apocalyptic number.

2042481 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2042481 is a deficient number, since it is larger than the sum of its proper divisors (1234319).

2042481 is a wasteful number, since it uses less digits than its factorization.

2042481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 2042481 is about 1429.1539455216. The cubic root of 2042481 is about 126.8779077528.

Adding to 2042481 its reverse (1842402), we get a palindrome (3884883).

The spelling of 2042481 in words is "two million, forty-two thousand, four hundred eighty-one".