501065361 has 24 divisors (see below), whose sum is σ = 767988000. Its totient is φ = 313716096.

The previous prime is 501065351. The next prime is 501065371. The reversal of 501065361 is 163560105.

It is a happy number.

501065361 is a `hidden beast` number, since 5 + 0 + 1 + 0 + 653 + 6 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (501065351) and next prime (501065371).

It is not a de Polignac number, because 501065361 - 2¹⁵ = 501032593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501065351) 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 23 ways as a sum of consecutive naturals, for example, 73066 + ... + 79628.

It is an arithmetic number, because the mean of its divisors is an integer number (31999500).

Almost surely, 2^501065361 is an apocalyptic number.

501065361 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

501065361 is a deficient number, since it is larger than the sum of its proper divisors (266922639).

501065361 is a wasteful number, since it uses less digits than its factorization.

501065361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7085 (or 7082 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 501065361 is about 22384.4892950454. The cubic root of 501065361 is about 794.2638444723.

The spelling of 501065361 in words is "five hundred one million, sixty-five thousand, three hundred sixty-one".