2042258 has 4 divisors (see below), whose sum is σ = 3063390. Its totient is φ = 1021128.

The previous prime is 2042237. The next prime is 2042263. The reversal of 2042258 is 8522402.

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

It can be written as a sum of positive squares in only one way, i.e., 2036329 + 5929 = 1427^2 + 77^2 .

It is a Curzon number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 510563 + ... + 510566.

2^2042258 is an apocalyptic number.

2042258 is a deficient number, since it is larger than the sum of its proper divisors (1021132).

2042258 is a wasteful number, since it uses less digits than its factorization.

2042258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021131.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 2042258 is about 1429.0759252048. The cubic root of 2042258 is about 126.8732900350.

The spelling of 2042258 in words is "two million, forty-two thousand, two hundred fifty-eight".