5137994 has 4 divisors (see below), whose sum is σ = 7706994. Its totient is φ = 2568996.

The previous prime is 5137987. The next prime is 5138009. The reversal of 5137994 is 4997315.

It is a happy number.

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., 5040025 + 97969 = 2245^2 + 313^2 .

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, 1284497 + ... + 1284500.

Almost surely, 2^5137994 is an apocalyptic number.

5137994 is a deficient number, since it is larger than the sum of its proper divisors (2569000).

5137994 is a wasteful number, since it uses less digits than its factorization.

5137994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568999.

The product of its digits is 34020, while the sum is 38.

The square root of 5137994 is about 2266.7143622433. The cubic root of 5137994 is about 172.5564500539.

The spelling of 5137994 in words is "five million, one hundred thirty-seven thousand, nine hundred ninety-four".