506251361 has 8 divisors (see below), whose sum is σ = 631170624. Its totient is φ = 394481520.

The previous prime is 506251357. The next prime is 506251363. The reversal of 506251361 is 163152605.

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 506251361 - 2² = 506251357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506251363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3287270 + ... + 3287423.

It is an arithmetic number, because the mean of its divisors is an integer number (78896328).

Almost surely, 2^506251361 is an apocalyptic number.

It is an amenable number.

506251361 is a deficient number, since it is larger than the sum of its proper divisors (124919263).

506251361 is a wasteful number, since it uses less digits than its factorization.

506251361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6574711.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 506251361 is about 22500.0302444241. The cubic root of 506251361 is about 796.9946410978.

The spelling of 506251361 in words is "five hundred six million, two hundred fifty-one thousand, three hundred sixty-one".