515150239 has 2 divisors, whose sum is σ = 515150240. Its totient is φ = 515150238.

The previous prime is 515150161. The next prime is 515150243. The reversal of 515150239 is 932051515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 515150239 - 2²¹ = 513053087 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 515150239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (515150039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 257575119 + 257575120.

It is an arithmetic number, because the mean of its divisors is an integer number (257575120).

Almost surely, 2^515150239 is an apocalyptic number.

515150239 is a deficient number, since it is larger than the sum of its proper divisors (1).

515150239 is an equidigital number, since it uses as much as digits as its factorization.

515150239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 31.

The square root of 515150239 is about 22696.9213551089. The cubic root of 515150239 is about 801.6373958612.

The spelling of 515150239 in words is "five hundred fifteen million, one hundred fifty thousand, two hundred thirty-nine".