540622151 has 4 divisors (see below), whose sum is σ = 572423472. Its totient is φ = 508820832.

The previous prime is 540622111. The next prime is 540622157. The reversal of 540622151 is 151226045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540622151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 540622151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540622157) 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, 15900635 + ... + 15900668.

It is an arithmetic number, because the mean of its divisors is an integer number (143105868).

Almost surely, 2^540622151 is an apocalyptic number.

540622151 is a deficient number, since it is larger than the sum of its proper divisors (31801321).

540622151 is a wasteful number, since it uses less digits than its factorization.

540622151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31801320.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 540622151 is about 23251.2827818166. The cubic root of 540622151 is about 814.6379015497.

Adding to 540622151 its reverse (151226045), we get a palindrome (691848196).

The spelling of 540622151 in words is "five hundred forty million, six hundred twenty-two thousand, one hundred fifty-one".