515230151 has 2 divisors, whose sum is σ = 515230152. Its totient is φ = 515230150.

The previous prime is 515230129. The next prime is 515230159. The reversal of 515230151 is 151032515.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 515230151 - 2¹⁴ = 515213767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515230159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257615075 + 257615076.

It is an arithmetic number, because the mean of its divisors is an integer number (257615076).

Almost surely, 2^515230151 is an apocalyptic number.

515230151 is a deficient number, since it is larger than the sum of its proper divisors (1).

515230151 is an equidigital number, since it uses as much as digits as its factorization.

515230151 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 23.

The square root of 515230151 is about 22698.6817018081. The cubic root of 515230151 is about 801.6788446986.

Adding to 515230151 its reverse (151032515), we get a palindrome (666262666).

The spelling of 515230151 in words is "five hundred fifteen million, two hundred thirty thousand, one hundred fifty-one".