506511151 has 8 divisors (see below), whose sum is σ = 519067584. Its totient is φ = 494028960.

The previous prime is 506511133. The next prime is 506511163. The reversal of 506511151 is 151115605.

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 506511151 - 2⁷ = 506511023 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 (506511191) 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, 4620 + ... + 32161.

It is an arithmetic number, because the mean of its divisors is an integer number (64883448).

Almost surely, 2^506511151 is an apocalyptic number.

506511151 is a deficient number, since it is larger than the sum of its proper divisors (12556433).

506511151 is a wasteful number, since it uses less digits than its factorization.

506511151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37121.

The product of its (nonzero) digits is 750, while the sum is 25.

The square root of 506511151 is about 22505.8026073277. The cubic root of 506511151 is about 797.1309474513.

Adding to 506511151 its reverse (151115605), we get a palindrome (657626756).

The spelling of 506511151 in words is "five hundred six million, five hundred eleven thousand, one hundred fifty-one".