540670447 has 2 divisors, whose sum is σ = 540670448. Its totient is φ = 540670446.

The previous prime is 540670421. The next prime is 540670523. The reversal of 540670447 is 744076045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540670447 - 2¹¹ = 540668399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540677447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270335223 + 270335224.

It is an arithmetic number, because the mean of its divisors is an integer number (270335224).

Almost surely, 2^540670447 is an apocalyptic number.

540670447 is a deficient number, since it is larger than the sum of its proper divisors (1).

540670447 is an equidigital number, since it uses as much as digits as its factorization.

540670447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 540670447 is about 23252.3213249774. The cubic root of 540670447 is about 814.6621591453.

The spelling of 540670447 in words is "five hundred forty million, six hundred seventy thousand, four hundred forty-seven".