4691431 has 2 divisors, whose sum is σ = 4691432. Its totient is φ = 4691430.

The previous prime is 4691413. The next prime is 4691437. The reversal of 4691431 is 1341964.

Together with previous prime (4691413) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4691431 - 2¹⁹ = 4167143 is a prime.

It is a super-2 number, since 2×4691431² = 44019049655522, which contains 22 as substring.

It is a Chen prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 4691431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4691437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345715 + 2345716.

It is an arithmetic number, because the mean of its divisors is an integer number (2345716).

Almost surely, 2^4691431 is an apocalyptic number.

4691431 is a deficient number, since it is larger than the sum of its proper divisors (1).

4691431 is an equidigital number, since it uses as much as digits as its factorization.

4691431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 28.

The square root of 4691431 is about 2165.9711447755. The cubic root of 4691431 is about 167.4050073988.

The spelling of 4691431 in words is "four million, six hundred ninety-one thousand, four hundred thirty-one".