2471431 has 4 divisors (see below), whose sum is σ = 2482272. Its totient is φ = 2460592.

The previous prime is 2471407. The next prime is 2471437. The reversal of 2471431 is 1341742.

2471431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471431 is a prime.

It is a super-2 number, since 2×2471431² = 12215942375522, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2471437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5071 + ... + 5536.

It is an arithmetic number, because the mean of its divisors is an integer number (620568).

2^2471431 is an apocalyptic number.

2471431 is a deficient number, since it is larger than the sum of its proper divisors (10841).

2471431 is a wasteful number, since it uses less digits than its factorization.

2471431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10840.

The product of its digits is 672, while the sum is 22.

The square root of 2471431 is about 1572.0785603779. The cubic root of 2471431 is about 135.2019109413.

The spelling of 2471431 in words is "two million, four hundred seventy-one thousand, four hundred thirty-one".