516541530 has 32 divisors (see below), whose sum is σ = 1279692288. Its totient is φ = 133300800.

The previous prime is 516541513. The next prime is 516541589. The reversal of 516541530 is 35145615.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276781 + ... + 278640.

It is an arithmetic number, because the mean of its divisors is an integer number (39990384).

Almost surely, 2^516541530 is an apocalyptic number.

516541530 is an abundant number, since it is smaller than the sum of its proper divisors (763150758).

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

516541530 is a wasteful number, since it uses less digits than its factorization.

516541530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555462.

The product of its (nonzero) digits is 9000, while the sum is 30.

The square root of 516541530 is about 22727.5500219447. The cubic root of 516541530 is about 802.3584206909.

The spelling of 516541530 in words is "five hundred sixteen million, five hundred forty-one thousand, five hundred thirty".