506115151 has 2 divisors, whose sum is σ = 506115152. Its totient is φ = 506115150.

The previous prime is 506115139. The next prime is 506115173. The reversal of 506115151 is 151511605.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-506115151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (506115101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253057575 + 253057576.

It is an arithmetic number, because the mean of its divisors is an integer number (253057576).

Almost surely, 2^506115151 is an apocalyptic number.

506115151 is a deficient number, since it is larger than the sum of its proper divisors (1).

506115151 is an equidigital number, since it uses as much as digits as its factorization.

506115151 is an evil number, because the sum of its binary digits is even.

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

The square root of 506115151 is about 22497.0031559761. The cubic root of 506115151 is about 796.9231559385.

Adding to 506115151 its reverse (151511605), we get a palindrome (657626756).

The spelling of 506115151 in words is "five hundred six million, one hundred fifteen thousand, one hundred fifty-one".