5981431 has 2 divisors, whose sum is σ = 5981432. Its totient is φ = 5981430.

The previous prime is 5981411. The next prime is 5981441. The reversal of 5981431 is 1341895.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5981431 - 2¹¹ = 5979383 is a prime.

It is a super-2 number, since 2×5981431² = 71555033615522, which contains 22 as substring.

5981431 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5981393 and 5981402.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5981411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2990715 + 2990716.

It is an arithmetic number, because the mean of its divisors is an integer number (2990716).

Almost surely, 2^5981431 is an apocalyptic number.

5981431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5981431 is an equidigital number, since it uses as much as digits as its factorization.

5981431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 31.

The square root of 5981431 is about 2445.6964243340. The cubic root of 5981431 is about 181.5244093888.

The spelling of 5981431 in words is "five million, nine hundred eighty-one thousand, four hundred thirty-one".