540354431 has 2 divisors, whose sum is σ = 540354432. Its totient is φ = 540354430.

The previous prime is 540354427. The next prime is 540354439. The reversal of 540354431 is 134453045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540354431 - 2² = 540354427 is a prime.

It is a super-2 number, since 2×540354431² = 583965822202667522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540354394 and 540354403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540354439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270177215 + 270177216.

It is an arithmetic number, because the mean of its divisors is an integer number (270177216).

Almost surely, 2^540354431 is an apocalyptic number.

540354431 is a deficient number, since it is larger than the sum of its proper divisors (1).

540354431 is an equidigital number, since it uses as much as digits as its factorization.

540354431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 540354431 is about 23245.5249671845. The cubic root of 540354431 is about 814.5034078192.

The spelling of 540354431 in words is "five hundred forty million, three hundred fifty-four thousand, four hundred thirty-one".