506513501 has 16 divisors (see below), whose sum is σ = 565442304. Its totient is φ = 450736704.

The previous prime is 506513489. The next prime is 506513509. The reversal of 506513501 is 105315605.

It is a cyclic number.

It is not a de Polignac number, because 506513501 - 2⁶ = 506513437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506513509) 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, 34751 + ... + 47123.

It is an arithmetic number, because the mean of its divisors is an integer number (35340144).

Almost surely, 2^506513501 is an apocalyptic number.

It is an amenable number.

506513501 is a deficient number, since it is larger than the sum of its proper divisors (58928803).

506513501 is a wasteful number, since it uses less digits than its factorization.

506513501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12500.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 506513501 is about 22505.8548160251. The cubic root of 506513501 is about 797.1321802341.

The spelling of 506513501 in words is "five hundred six million, five hundred thirteen thousand, five hundred one".