2521555230 has 16 divisors (see below), whose sum is σ = 6051732624. Its totient is φ = 672414720.

The previous prime is 2521555219. The next prime is 2521555237. The reversal of 2521555230 is 325551252.

2521555230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 84051841 = 2521555230 / (2 + 5 + 2 + 1 + 5 + 5 + 5 + 2 + 3 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521555237) 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, 42025891 + ... + 42025950.

It is an arithmetic number, because the mean of its divisors is an integer number (378233289).

Almost surely, 2^2521555230 is an apocalyptic number.

2521555230 is an abundant number, since it is smaller than the sum of its proper divisors (3530177394).

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

2521555230 is a wasteful number, since it uses less digits than its factorization.

2521555230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84051851.

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2521555230 is about 50215.0896643628. The cubic root of 2521555230 is about 1361.0983108106.

The spelling of 2521555230 in words is "two billion, five hundred twenty-one million, five hundred fifty-five thousand, two hundred thirty".