506251887563 has 8 divisors (see below), whose sum is σ = 509403478608. Its totient is φ = 503100854784.

The previous prime is 506251887551. The next prime is 506251887577. The reversal of 506251887563 is 365788152605.

It is a happy number.

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 506251887563 - 2¹⁸ = 506251625419 is a prime.

It is a super-2 number, since 2×506251887563² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 506251887499 and 506251887508.

It is not an unprimeable number, because it can be changed into a prime (506251887263) 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, 1759895 + ... + 2027247.

It is an arithmetic number, because the mean of its divisors is an integer number (63675434826).

Almost surely, 2^506251887563 is an apocalyptic number.

506251887563 is a deficient number, since it is larger than the sum of its proper divisors (3151591045).

506251887563 is a wasteful number, since it uses less digits than its factorization.

506251887563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279133.

The product of its (nonzero) digits is 12096000, while the sum is 56.

The spelling of 506251887563 in words is "five hundred six billion, two hundred fifty-one million, eight hundred eighty-seven thousand, five hundred sixty-three".