5147389 has 4 divisors (see below), whose sum is σ = 5543356. Its totient is φ = 4751424.

The previous prime is 5147371. The next prime is 5147399. The reversal of 5147389 is 9837415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 912025 + 4235364 = 955^2 + 2058^2 .

It is a cyclic number.

It is not a de Polignac number, because 5147389 - 2⁵ = 5147357 is a prime.

It is a super-2 number, since 2×5147389² = 52991227034642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147339) 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, 197964 + ... + 197989.

It is an arithmetic number, because the mean of its divisors is an integer number (1385839).

Almost surely, 2^5147389 is an apocalyptic number.

It is an amenable number.

5147389 is a deficient number, since it is larger than the sum of its proper divisors (395967).

5147389 is a wasteful number, since it uses less digits than its factorization.

5147389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395966.

The product of its digits is 30240, while the sum is 37.

The square root of 5147389 is about 2268.7857986156. The cubic root of 5147389 is about 172.6615611621.

The spelling of 5147389 in words is "five million, one hundred forty-seven thousand, three hundred eighty-nine".