5138897 has 4 divisors (see below), whose sum is σ = 5147556. Its totient is φ = 5130240.

The previous prime is 5138891. The next prime is 5138923. The reversal of 5138897 is 7988315.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7988315 = 5 ⋅1597663.

It can be written as a sum of positive squares in 2 ways, for example, as 3904576 + 1234321 = 1976^2 + 1111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5138897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5138891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3368 + ... + 4649.

It is an arithmetic number, because the mean of its divisors is an integer number (1286889).

Almost surely, 2^5138897 is an apocalyptic number.

It is an amenable number.

5138897 is a deficient number, since it is larger than the sum of its proper divisors (8659).

5138897 is an equidigital number, since it uses as much as digits as its factorization.

5138897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8658.

The product of its digits is 60480, while the sum is 41.

The square root of 5138897 is about 2266.9135404774. The cubic root of 5138897 is about 172.5665583664.

The spelling of 5138897 in words is "five million, one hundred thirty-eight thousand, eight hundred ninety-seven".