540651481 has 8 divisors (see below), whose sum is σ = 556133760. Its totient is φ = 525335088.

The previous prime is 540651451. The next prime is 540651491. The reversal of 540651481 is 184156045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 540651481 - 2¹¹ = 540649433 is a prime.

It is a super-2 number, since 2×540651481² = 584608047814986722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540651401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34846 + ... + 47911.

It is an arithmetic number, because the mean of its divisors is an integer number (69516720).

Almost surely, 2^540651481 is an apocalyptic number.

It is an amenable number.

540651481 is a deficient number, since it is larger than the sum of its proper divisors (15482279).

540651481 is a wasteful number, since it uses less digits than its factorization.

540651481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82943.

The product of its (nonzero) digits is 19200, while the sum is 34.

The square root of 540651481 is about 23251.9134911516. The cubic root of 540651481 is about 814.6526332790.

The spelling of 540651481 in words is "five hundred forty million, six hundred fifty-one thousand, four hundred eighty-one".