540503001 has 12 divisors (see below), whose sum is σ = 780928512. Its totient is φ = 360242136.

The previous prime is 540502997. The next prime is 540503009. The reversal of 540503001 is 100305045.

It is not a de Polignac number, because 540503001 - 2² = 540502997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (540503009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61080 + ... + 69366.

It is an arithmetic number, because the mean of its divisors is an integer number (65077376).

Almost surely, 2^540503001 is an apocalyptic number.

It is an amenable number.

540503001 is a deficient number, since it is larger than the sum of its proper divisors (240425511).

540503001 is a wasteful number, since it uses less digits than its factorization.

540503001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15540 (or 15537 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 540503001 is about 23248.7204164014. The cubic root of 540503001 is about 814.5780499895.

Adding to 540503001 its reverse (100305045), we get a palindrome (640808046).

The spelling of 540503001 in words is "five hundred forty million, five hundred three thousand, one".