540284197 has 4 divisors (see below), whose sum is σ = 541230976. Its totient is φ = 539337420.

The previous prime is 540284189. The next prime is 540284231. The reversal of 540284197 is 791482045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540284197 - 2³ = 540284189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540284167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 472533 + ... + 473674.

It is an arithmetic number, because the mean of its divisors is an integer number (135307744).

Almost surely, 2^540284197 is an apocalyptic number.

It is an amenable number.

540284197 is a deficient number, since it is larger than the sum of its proper divisors (946779).

540284197 is an equidigital number, since it uses as much as digits as its factorization.

540284197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946778.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 540284197 is about 23244.0142187188. The cubic root of 540284197 is about 814.4681172101.

The spelling of 540284197 in words is "five hundred forty million, two hundred eighty-four thousand, one hundred ninety-seven".