5137906 has 4 divisors (see below), whose sum is σ = 7706862. Its totient is φ = 2568952.

The previous prime is 5137903. The next prime is 5137919. The reversal of 5137906 is 6097315.

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., 4372281 + 765625 = 2091^2 + 875^2 .

It is a super-3 number, since 3×5137906³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (5137903) 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, 1284475 + ... + 1284478.

Almost surely, 2^5137906 is an apocalyptic number.

5137906 is a deficient number, since it is larger than the sum of its proper divisors (2568956).

5137906 is a wasteful number, since it uses less digits than its factorization.

5137906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568955.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 5137906 is about 2266.6949508039. The cubic root of 5137906 is about 172.5554649059. Note that the first 3 decimals are identical.

The spelling of 5137906 in words is "five million, one hundred thirty-seven thousand, nine hundred six".