5147861 has 4 divisors (see below), whose sum is σ = 5176800. Its totient is φ = 5118924.

The previous prime is 5147843. The next prime is 5147867. The reversal of 5147861 is 1687415.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5147861 - 2⁶ = 5147797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5147867) 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, 14201 + ... + 14558.

It is an arithmetic number, because the mean of its divisors is an integer number (1294200).

Almost surely, 2^5147861 is an apocalyptic number.

It is an amenable number.

5147861 is a deficient number, since it is larger than the sum of its proper divisors (28939).

5147861 is a wasteful number, since it uses less digits than its factorization.

5147861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28938.

The product of its digits is 6720, while the sum is 32.

The square root of 5147861 is about 2268.8898166284. The cubic root of 5147861 is about 172.6668385151. Note that the first 3 decimals are identical.

The spelling of 5147861 in words is "five million, one hundred forty-seven thousand, eight hundred sixty-one".