540546545 has 32 divisors (see below), whose sum is σ = 813286656. Its totient is φ = 335059200.

The previous prime is 540546541. The next prime is 540546557. The reversal of 540546545 is 545645045.

It is not a de Polignac number, because 540546545 - 2² = 540546541 is a prime.

It is a super-2 number, since 2×540546545² = 584381134622874050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 540546499 and 540546508.

It is not an unprimeable number, because it can be changed into a prime (540546541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65807 + ... + 73563.

It is an arithmetic number, because the mean of its divisors is an integer number (25415208).

Almost surely, 2^540546545 is an apocalyptic number.

540546545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

540546545 is a deficient number, since it is larger than the sum of its proper divisors (272740111).

540546545 is a wasteful number, since it uses less digits than its factorization.

540546545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7961.

The product of its (nonzero) digits is 240000, while the sum is 38.

The square root of 540546545 is about 23249.6568791886. The cubic root of 540546545 is about 814.5999240797.

The spelling of 540546545 in words is "five hundred forty million, five hundred forty-six thousand, five hundred forty-five".