2564525330 has 16 divisors (see below), whose sum is σ = 4617468504. Its totient is φ = 1025516160.

The previous prime is 2564525317. The next prime is 2564525333. The reversal of 2564525330 is 335254652.

It can be written as a sum of positive squares in 4 ways, for example, as 839202961 + 1725322369 = 28969^2 + 41537^2 .

It is not an unprimeable number, because it can be changed into a prime (2564525333) 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, 1820 + ... + 71640.

Almost surely, 2^2564525330 is an apocalyptic number.

2564525330 is a deficient number, since it is larger than the sum of its proper divisors (2052943174).

2564525330 is a wasteful number, since it uses less digits than its factorization.

2564525330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73501.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 2564525330 is about 50641.1426608839. The cubic root of 2564525330 is about 1368.7863459139.

Adding to 2564525330 its reverse (335254652), we get a palindrome (2899779982).

The spelling of 2564525330 in words is "two billion, five hundred sixty-four million, five hundred twenty-five thousand, three hundred thirty".