5042949 has 4 divisors (see below), whose sum is σ = 6723936. Its totient is φ = 3361964.

The previous prime is 5042929. The next prime is 5042953. The reversal of 5042949 is 9492405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5042949 - 2⁹ = 5042437 is a prime.

It is a D-number.

5042949 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5042929) 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, 840489 + ... + 840494.

It is an arithmetic number, because the mean of its divisors is an integer number (1680984).

Almost surely, 2^5042949 is an apocalyptic number.

It is an amenable number.

5042949 is a deficient number, since it is larger than the sum of its proper divisors (1680987).

5042949 is a wasteful number, since it uses less digits than its factorization.

5042949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680986.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 5042949 is about 2245.6511305187. The cubic root of 5042949 is about 171.4858111436.

The spelling of 5042949 in words is "five million, forty-two thousand, nine hundred forty-nine".