540011481 has 4 divisors (see below), whose sum is σ = 720015312. Its totient is φ = 360007652.

The previous prime is 540011473. The next prime is 540011489. The reversal of 540011481 is 184110045.

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 an interprime number because it is at equal distance from previous prime (540011473) and next prime (540011489).

It is a cyclic number.

It is not a de Polignac number, because 540011481 - 2³ = 540011473 is a prime.

It is a super-2 number, since 2×540011481² = 583224799223626722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (540011489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90001911 + ... + 90001916.

It is an arithmetic number, because the mean of its divisors is an integer number (180003828).

Almost surely, 2^540011481 is an apocalyptic number.

It is an amenable number.

540011481 is a deficient number, since it is larger than the sum of its proper divisors (180003831).

540011481 is a wasteful number, since it uses less digits than its factorization.

540011481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180003830.

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 540011481 is about 23238.1471077192. The cubic root of 540011481 is about 814.3310560910.

The spelling of 540011481 in words is "five hundred forty million, eleven thousand, four hundred eighty-one".