5219906 has 4 divisors (see below), whose sum is σ = 7829862. Its totient is φ = 2609952.

The previous prime is 5219897. The next prime is 5219911. The reversal of 5219906 is 6099125.

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., 3553225 + 1666681 = 1885^2 + 1291^2 .

It is a Curzon 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, 1304975 + ... + 1304978.

Almost surely, 2^5219906 is an apocalyptic number.

5219906 is a deficient number, since it is larger than the sum of its proper divisors (2609956).

5219906 is a wasteful number, since it uses less digits than its factorization.

5219906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609955.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 5219906 is about 2284.7113603254. The cubic root of 5219906 is about 173.4686082392.

The spelling of 5219906 in words is "five million, two hundred nineteen thousand, nine hundred six".