615130 has 16 divisors (see below), whose sum is σ = 1117800. Its totient is φ = 243712.

The previous prime is 615107. The next prime is 615137. The reversal of 615130 is 31516.

615130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 537289 + 77841 = 733^2 + 279^2 .

It is not an unprimeable number, because it can be changed into a prime (615137) by changing a digit.

615130 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1146 + ... + 1594.

2⁶¹⁵¹³⁰ is an apocalyptic number.

615130 is a deficient number, since it is larger than the sum of its proper divisors (502670).

615130 is a wasteful number, since it uses less digits than its factorization.

615130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 615130 is about 784.3022376610. The cubic root of 615130 is about 85.0463415123.

Adding to 615130 its reverse (31516), we get a palindrome (646646).

The spelling of 615130 in words is "six hundred fifteen thousand, one hundred thirty".