503540061 has 8 divisors (see below), whose sum is σ = 671825280. Its totient is φ = 335474112.

The previous prime is 503540047. The next prime is 503540069. The reversal of 503540061 is 160045305.

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

It is not a de Polignac number, because 503540061 - 2¹³ = 503531869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503540069) 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, 49381 + ... + 58698.

It is an arithmetic number, because the mean of its divisors is an integer number (83978160).

Almost surely, 2^503540061 is an apocalyptic number.

It is an amenable number.

503540061 is a deficient number, since it is larger than the sum of its proper divisors (168285219).

503540061 is a wasteful number, since it uses less digits than its factorization.

503540061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109635.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 503540061 is about 22439.6983268492. The cubic root of 503540061 is about 795.5692880627.

Adding to 503540061 its reverse (160045305), we get a palindrome (663585366).

The spelling of 503540061 in words is "five hundred three million, five hundred forty thousand, sixty-one".