6477431 has 4 divisors (see below), whose sum is σ = 6482664. Its totient is φ = 6472200.

The previous prime is 6477413. The next prime is 6477439. The reversal of 6477431 is 1347746.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6477431 - 2¹⁴ = 6461047 is a prime.

It is a super-2 number, since 2×6477431² = 83914224719522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6477439) 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, 401 + ... + 3621.

It is an arithmetic number, because the mean of its divisors is an integer number (1620666).

Almost surely, 2^6477431 is an apocalyptic number.

6477431 is a deficient number, since it is larger than the sum of its proper divisors (5233).

6477431 is a wasteful number, since it uses less digits than its factorization.

6477431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5232.

The product of its digits is 14112, while the sum is 32.

The square root of 6477431 is about 2545.0797629937. The cubic root of 6477431 is about 186.4093098158.

The spelling of 6477431 in words is "six million, four hundred seventy-seven thousand, four hundred thirty-one".