515442234 has 16 divisors (see below), whose sum is σ = 1034556480. Its totient is φ = 171202080.

The previous prime is 515442233. The next prime is 515442251. The reversal of 515442234 is 432244515.

It is not an unprimeable number, because it can be changed into a prime (515442233) 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, 151174 + ... + 154545.

It is an arithmetic number, because the mean of its divisors is an integer number (64659780).

Almost surely, 2^515442234 is an apocalyptic number.

515442234 is an abundant number, since it is smaller than the sum of its proper divisors (519114246).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

515442234 is a wasteful number, since it uses less digits than its factorization.

515442234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306005.

The product of its digits is 19200, while the sum is 30.

The square root of 515442234 is about 22703.3529241828. The cubic root of 515442234 is about 801.7888273479.

Adding to 515442234 its reverse (432244515), we get a palindrome (947686749).

The spelling of 515442234 in words is "five hundred fifteen million, four hundred forty-two thousand, two hundred thirty-four".