501662045 has 8 divisors (see below), whose sum is σ = 602222040. Its totient is φ = 401177920.

The previous prime is 501662041. The next prime is 501662047. The reversal of 501662045 is 540266105.

It can be written as a sum of positive squares in 4 ways, for example, as 203547289 + 298114756 = 14267^2 + 17266^2 .

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

It is not a de Polignac number, because 501662045 - 2² = 501662041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 501661999 and 501662017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (501662041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230 + ... + 31839.

It is an arithmetic number, because the mean of its divisors is an integer number (75277755).

Almost surely, 2^501662045 is an apocalyptic number.

It is an amenable number.

501662045 is a deficient number, since it is larger than the sum of its proper divisors (100559995).

501662045 is a wasteful number, since it uses less digits than its factorization.

501662045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37935.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 501662045 is about 22397.8133977404. The cubic root of 501662045 is about 794.5789973231.

The spelling of 501662045 in words is "five hundred one million, six hundred sixty-two thousand, forty-five".