515130 has 64 divisors (see below), whose sum is σ = 1548288. Its totient is φ = 106560.

The previous prime is 515111. The next prime is 515143. The reversal of 515130 is 31515.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2199 + ... + 2421.

It is an arithmetic number, because the mean of its divisors is an integer number (24192).

2⁵¹⁵¹³⁰ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 515130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (774144).

515130 is an abundant number, since it is smaller than the sum of its proper divisors (1033158).

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

515130 is a wasteful number, since it uses less digits than its factorization.

515130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251.

The product of its (nonzero) digits is 75, while the sum is 15.

The square root of 515130 is about 717.7255742970. The cubic root of 515130 is about 80.1626897596.

Adding to 515130 its reverse (31515), we get a palindrome (546645).

The spelling of 515130 in words is "five hundred fifteen thousand, one hundred thirty".