540361651 has 6 divisors (see below), whose sum is σ = 558355956. Its totient is φ = 522929700.

The previous prime is 540361637. The next prime is 540361667. The reversal of 540361651 is 156163045.

It is not a de Polignac number, because 540361651 - 2⁹ = 540361139 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540368651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 280185 + ... + 282106.

It is an arithmetic number, because the mean of its divisors is an integer number (93059326).

Almost surely, 2^540361651 is an apocalyptic number.

540361651 is a deficient number, since it is larger than the sum of its proper divisors (17994305).

540361651 is an equidigital number, since it uses as much as digits as its factorization.

540361651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562353 (or 562322 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 540361651 is about 23245.6802653740. The cubic root of 540361651 is about 814.5070354928.

The spelling of 540361651 in words is "five hundred forty million, three hundred sixty-one thousand, six hundred fifty-one".