501490959 has 8 divisors (see below), whose sum is σ = 703847040. Its totient is φ = 316731096.

The previous prime is 501490931. The next prime is 501490961. The reversal of 501490959 is 959094105.

It is a happy number.

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

It is not a de Polignac number, because 501490959 - 2⁷ = 501490831 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 501490959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501490559) 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, 4398987 + ... + 4399100.

It is an arithmetic number, because the mean of its divisors is an integer number (87980880).

Almost surely, 2^501490959 is an apocalyptic number.

501490959 is a deficient number, since it is larger than the sum of its proper divisors (202356081).

501490959 is a wasteful number, since it uses less digits than its factorization.

501490959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8798109.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 501490959 is about 22393.9938153068. The cubic root of 501490959 is about 794.4886597474.

The spelling of 501490959 in words is "five hundred one million, four hundred ninety thousand, nine hundred fifty-nine".