4971431 has 4 divisors (see below), whose sum is σ = 5105832. Its totient is φ = 4837032.

The previous prime is 4971419. The next prime is 4971433. The reversal of 4971431 is 1341794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1341794 = 2 ⋅670897.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4971431 is a prime.

It is a super-2 number, since 2×4971431² = 49430252375522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4971394 and 4971403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4971433) 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, 67145 + ... + 67218.

It is an arithmetic number, because the mean of its divisors is an integer number (1276458).

Almost surely, 2^4971431 is an apocalyptic number.

4971431 is a deficient number, since it is larger than the sum of its proper divisors (134401).

4971431 is a wasteful number, since it uses less digits than its factorization.

4971431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134400.

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

The square root of 4971431 is about 2229.6706034749. The cubic root of 4971431 is about 170.6712903783.

The spelling of 4971431 in words is "four million, nine hundred seventy-one thousand, four hundred thirty-one".