2042501 has 4 divisors (see below), whose sum is σ = 2047500. Its totient is φ = 2037504.

The previous prime is 2042489. The next prime is 2042531. The reversal of 2042501 is 1052402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1378276 + 664225 = 1174^2 + 815^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042501 - 2¹⁰ = 2041477 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 (2042531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1826 + ... + 2723.

It is an arithmetic number, because the mean of its divisors is an integer number (511875).

2^2042501 is an apocalyptic number.

It is an amenable number.

2042501 is a deficient number, since it is larger than the sum of its proper divisors (4999).

2042501 is an equidigital number, since it uses as much as digits as its factorization.

2042501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4998.

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 2042501 is about 1429.1609426513. The cubic root of 2042501 is about 126.8783218815.

Adding to 2042501 its reverse (1052402), we get a palindrome (3094903).

Subtracting from 2042501 its reverse (1052402), we obtain a palindrome (990099).

The spelling of 2042501 in words is "two million, forty-two thousand, five hundred one".