501047545 has 16 divisors (see below), whose sum is σ = 645354000. Its totient is φ = 372086784.

The previous prime is 501047501. The next prime is 501047549. The reversal of 501047545 is 545740105.

It can be written as a sum of positive squares in 8 ways, for example, as 68906601 + 432140944 = 8301^2 + 20788^2 .

It is a cyclic number.

It is not a de Polignac number, because 501047545 - 2⁹ = 501047033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (501047549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34170 + ... + 46579.

It is an arithmetic number, because the mean of its divisors is an integer number (40334625).

Almost surely, 2^501047545 is an apocalyptic number.

It is an amenable number.

501047545 is a deficient number, since it is larger than the sum of its proper divisors (144306455).

501047545 is a wasteful number, since it uses less digits than its factorization.

501047545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80844.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 501047545 is about 22384.0913373762. The cubic root of 501047545 is about 794.2544306823.

The spelling of 501047545 in words is "five hundred one million, forty-seven thousand, five hundred forty-five".