515305150 has 24 divisors (see below), whose sum is σ = 970607520. Its totient is φ = 203511360.

The previous prime is 515305129. The next prime is 515305169. The reversal of 515305150 is 51503515.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61279 + ... + 69178.

It is an arithmetic number, because the mean of its divisors is an integer number (40441980).

Almost surely, 2^515305150 is an apocalyptic number.

515305150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

515305150 is a deficient number, since it is larger than the sum of its proper divisors (455302370).

515305150 is a wasteful number, since it uses less digits than its factorization.

515305150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130548 (or 130543 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 515305150 is about 22700.3336979878. Note that the first 3 decimals coincide. The cubic root of 515305150 is about 801.7177413576.

Adding to 515305150 its reverse (51503515), we get a palindrome (566808665).

The spelling of 515305150 in words is "five hundred fifteen million, three hundred five thousand, one hundred fifty".