5209474 has 4 divisors (see below), whose sum is σ = 7814214. Its totient is φ = 2604736.

The previous prime is 5209471. The next prime is 5209481. The reversal of 5209474 is 4749025.

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., 4558225 + 651249 = 2135^2 + 807^2 .

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 not an unprimeable number, because it can be changed into a prime (5209471) by changing a digit.

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, 1302367 + ... + 1302370.

Almost surely, 2^5209474 is an apocalyptic number.

5209474 is a deficient number, since it is larger than the sum of its proper divisors (2604740).

5209474 is a wasteful number, since it uses less digits than its factorization.

5209474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2604739.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 5209474 is about 2282.4272168023. The cubic root of 5209474 is about 173.3529719695.

The spelling of 5209474 in words is "five million, two hundred nine thousand, four hundred seventy-four".