501105490 has 8 divisors (see below), whose sum is σ = 901989900. Its totient is φ = 200442192.

The previous prime is 501105463. The next prime is 501105491. The reversal of 501105490 is 94501105.

It can be written as a sum of positive squares in 2 ways, for example, as 472236361 + 28869129 = 21731^2 + 5373^2 .

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

It is a super-3 number, since 3×501105490³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (501105491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25055265 + ... + 25055284.

Almost surely, 2^501105490 is an apocalyptic number.

501105490 is a deficient number, since it is larger than the sum of its proper divisors (400884410).

501105490 is a wasteful number, since it uses less digits than its factorization.

501105490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50110556.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 501105490 is about 22385.3856343821. The cubic root of 501105490 is about 794.2850474034.

Adding to 501105490 its reverse (94501105), we get a palindrome (595606595).

The spelling of 501105490 in words is "five hundred one million, one hundred five thousand, four hundred ninety".