501010641 has 12 divisors (see below), whose sum is σ = 748636980. Its totient is φ = 322489440.

The previous prime is 501010613. The next prime is 501010661. The reversal of 501010641 is 146010105.

501010641 is a `hidden beast` number, since 5 + 0 + 10 + 10 + 641 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 114062400 + 386948241 = 10680^2 + 19671^2 .

It is not a de Polignac number, because 501010641 - 2⁷ = 501010513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (501010661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 959530 + ... + 960051.

It is an arithmetic number, because the mean of its divisors is an integer number (62386415).

Almost surely, 2^501010641 is an apocalyptic number.

It is an amenable number.

501010641 is a deficient number, since it is larger than the sum of its proper divisors (247626339).

501010641 is a wasteful number, since it uses less digits than its factorization.

501010641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1919616 (or 1919613 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 501010641 is about 22383.2669867470. The cubic root of 501010641 is about 794.2349302806.

Adding to 501010641 its reverse (146010105), we get a palindrome (647020746).

It can be divided in two parts, 5010 and 10641, that added together give a palindrome (15651).

The spelling of 501010641 in words is "five hundred one million, ten thousand, six hundred forty-one".