501151330 has 16 divisors (see below), whose sum is σ = 955135800. Its totient is φ = 188668672.

The previous prime is 501151303. The next prime is 501151331. The reversal of 501151330 is 33151105.

It can be written as a sum of positive squares in 4 ways, for example, as 500730129 + 421201 = 22377^2 + 649^2 .

It is a junction number, because it is equal to n+sod(n) for n = 501151298 and 501151307.

It is not an unprimeable number, because it can be changed into a prime (501151331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1473805 + ... + 1474144.

Almost surely, 2^501151330 is an apocalyptic number.

501151330 is a deficient number, since it is larger than the sum of its proper divisors (453984470).

501151330 is a wasteful number, since it uses less digits than its factorization.

501151330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2947973.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 501151330 is about 22386.4094932618. The cubic root of 501151330 is about 794.3092664665.

Subtracting from 501151330 its product of nonzero digits (225), we obtain a palindrome (501151105).

The spelling of 501151330 in words is "five hundred one million, one hundred fifty-one thousand, three hundred thirty".