540837431 has 2 divisors, whose sum is σ = 540837432. Its totient is φ = 540837430.

The previous prime is 540837421. The next prime is 540837461. The reversal of 540837431 is 134738045.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540837431 is a prime.

It is a super-2 number, since 2×540837431² = 585010253541359522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540837391 and 540837400.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540837421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270418715 + 270418716.

It is an arithmetic number, because the mean of its divisors is an integer number (270418716).

Almost surely, 2^540837431 is an apocalyptic number.

540837431 is a deficient number, since it is larger than the sum of its proper divisors (1).

540837431 is an equidigital number, since it uses as much as digits as its factorization.

540837431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 540837431 is about 23255.9117430386. The cubic root of 540837431 is about 814.7460189435.

The spelling of 540837431 in words is "five hundred forty million, eight hundred thirty-seven thousand, four hundred thirty-one".