4992542 has 4 divisors (see below), whose sum is σ = 7488816. Its totient is φ = 2496270.

The previous prime is 4992539. The next prime is 4992551. The reversal of 4992542 is 2452994.

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

It is a congruent 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, 1248134 + ... + 1248137.

It is an arithmetic number, because the mean of its divisors is an integer number (1872204).

Almost surely, 2^4992542 is an apocalyptic number.

4992542 is a deficient number, since it is larger than the sum of its proper divisors (2496274).

4992542 is a wasteful number, since it uses less digits than its factorization.

4992542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496273.

The product of its digits is 25920, while the sum is 35.

The square root of 4992542 is about 2234.3996956677. The cubic root of 4992542 is about 170.9125323566.

The spelling of 4992542 in words is "four million, nine hundred ninety-two thousand, five hundred forty-two".