5136722 has 4 divisors (see below), whose sum is σ = 7705086. Its totient is φ = 2568360.

The previous prime is 5136721. The next prime is 5136727. The reversal of 5136722 is 2276315.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2276315 = 5 ⋅455263.

It can be written as a sum of positive squares in only one way, i.e., 3066001 + 2070721 = 1751^2 + 1439^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5136691 and 5136700.

It is not an unprimeable number, because it can be changed into a prime (5136721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1284179 + ... + 1284182.

Almost surely, 2^5136722 is an apocalyptic number.

5136722 is a deficient number, since it is larger than the sum of its proper divisors (2568364).

5136722 is a wasteful number, since it uses less digits than its factorization.

5136722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568363.

The product of its digits is 2520, while the sum is 26.

The square root of 5136722 is about 2266.4337625441. The cubic root of 5136722 is about 172.5422090927.

The spelling of 5136722 in words is "five million, one hundred thirty-six thousand, seven hundred twenty-two".