5009278 has 4 divisors (see below), whose sum is σ = 7513920. Its totient is φ = 2504638.

The previous prime is 5009269. The next prime is 5009281. The reversal of 5009278 is 8729005.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252318 + ... + 1252321.

It is an arithmetic number, because the mean of its divisors is an integer number (1878480).

Almost surely, 2^5009278 is an apocalyptic number.

5009278 is a deficient number, since it is larger than the sum of its proper divisors (2504642).

5009278 is a wasteful number, since it uses less digits than its factorization.

5009278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2504641.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 5009278 is about 2238.1416398432. The cubic root of 5009278 is about 171.1032970264.

The spelling of 5009278 in words is "five million, nine thousand, two hundred seventy-eight".