501949105 has 32 divisors (see below), whose sum is σ = 708390144. Its totient is φ = 334285056.

The previous prime is 501949103. The next prime is 501949121.

It is a happy number.

501949105 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 501949105 - 2¹ = 501949103 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501949103) 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, 295639 + ... + 297331.

It is an arithmetic number, because the mean of its divisors is an integer number (22137192).

Almost surely, 2^501949105 is an apocalyptic number.

It is an amenable number.

501949105 is a deficient number, since it is larger than the sum of its proper divisors (206441039).

501949105 is a wasteful number, since it uses less digits than its factorization.

501949105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 8100, while the sum is 34.

The square root of 501949105 is about 22404.2206961099. The cubic root of 501949105 is about 794.7305258651.

The spelling of 501949105 in words is "five hundred one million, nine hundred forty-nine thousand, one hundred five".