2478512530 has 16 divisors (see below), whose sum is σ = 4804501464. Its totient is φ = 915143040.

The previous prime is 2478512489. The next prime is 2478512539. The reversal of 2478512530 is 352158742.

2478512530 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 1349754121 + 1128758409 = 36739^2 + 33597^2 .

It is a super-2 number, since 2×2478512530² = 12286048722734001800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2478512530.

It is not an unprimeable number, because it can be changed into a prime (2478512539) 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, 9532611 + ... + 9532870.

Almost surely, 2^2478512530 is an apocalyptic number.

2478512530 is a deficient number, since it is larger than the sum of its proper divisors (2325988934).

2478512530 is a wasteful number, since it uses less digits than its factorization.

2478512530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19065501.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 2478512530 is about 49784.6615937078. The cubic root of 2478512530 is about 1353.3092167450.

The spelling of 2478512530 in words is "two billion, four hundred seventy-eight million, five hundred twelve thousand, five hundred thirty".