2650042 has 4 divisors (see below), whose sum is σ = 3975066. Its totient is φ = 1325020.

The previous prime is 2650033. The next prime is 2650057. The reversal of 2650042 is 2400562.

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., 1962801 + 687241 = 1401^2 + 829^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 662509 + ... + 662512.

2^2650042 is an apocalyptic number.

2650042 is a deficient number, since it is larger than the sum of its proper divisors (1325024).

2650042 is a wasteful number, since it uses less digits than its factorization.

2650042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325023.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2650042 is about 1627.8949597563. The cubic root of 2650042 is about 138.3834814393.

The spelling of 2650042 in words is "two million, six hundred fifty thousand, forty-two".