4947131 has 4 divisors (see below), whose sum is σ = 5653872. Its totient is φ = 4240392.

The previous prime is 4947121. The next prime is 4947143. The reversal of 4947131 is 1317494.

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

It is a cyclic number.

It is not a de Polignac number, because 4947131 - 2¹⁰ = 4946107 is a prime.

It is a super-2 number, since 2×4947131² = 48948210262322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4947094 and 4947103.

It is not an unprimeable number, because it can be changed into a prime (4947121) 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, 353360 + ... + 353373.

It is an arithmetic number, because the mean of its divisors is an integer number (1413468).

Almost surely, 2^4947131 is an apocalyptic number.

4947131 is a deficient number, since it is larger than the sum of its proper divisors (706741).

4947131 is an equidigital number, since it uses as much as digits as its factorization.

4947131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706740.

The product of its digits is 3024, while the sum is 29.

The square root of 4947131 is about 2224.2146928748. The cubic root of 4947131 is about 170.3927597084.

The spelling of 4947131 in words is "four million, nine hundred forty-seven thousand, one hundred thirty-one".