5090042 has 4 divisors (see below), whose sum is σ = 7635066. Its totient is φ = 2545020.

The previous prime is 5090017. The next prime is 5090077. The reversal of 5090042 is 2400905.

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., 5058001 + 32041 = 2249^2 + 179^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5089996 and 5090023.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272509 + ... + 1272512.

Almost surely, 2^5090042 is an apocalyptic number.

5090042 is a deficient number, since it is larger than the sum of its proper divisors (2545024).

5090042 is a wasteful number, since it uses less digits than its factorization.

5090042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545023.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5090042 is about 2256.1121426028. The cubic root of 5090042 is about 172.0179582836.

Adding to 5090042 its reverse (2400905), we get a palindrome (7490947).

The spelling of 5090042 in words is "five million, ninety thousand, forty-two".