506304500261 has 8 divisors (see below), whose sum is σ = 578995147584. Its totient is φ = 433704211200.

The previous prime is 506304500179. The next prime is 506304500293. The reversal of 506304500261 is 162005403605.

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

It is a cyclic number.

It is not a de Polignac number, because 506304500261 - 2¹⁸ = 506304238117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506304500461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22577555 + ... + 22599968.

It is an arithmetic number, because the mean of its divisors is an integer number (72374393448).

Almost surely, 2^506304500261 is an apocalyptic number.

It is an amenable number.

506304500261 is a deficient number, since it is larger than the sum of its proper divisors (72690647323).

506304500261 is a wasteful number, since it uses less digits than its factorization.

506304500261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45179131.

The product of its (nonzero) digits is 21600, while the sum is 32.

Adding to 506304500261 its reverse (162005403605), we get a palindrome (668309903866).

The spelling of 506304500261 in words is "five hundred six billion, three hundred four million, five hundred thousand, two hundred sixty-one".