2564523030 has 16 divisors (see below), whose sum is σ = 6154855344. Its totient is φ = 683872800.

The previous prime is 2564523001. The next prime is 2564523037. The reversal of 2564523030 is 303254652.

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: 85484101 = 2564523030 / (2 + 5 + 6 + 4 + 5 + 2 + 3 + 0 + 3 + 0).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564523037) 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, 42742021 + ... + 42742080.

It is an arithmetic number, because the mean of its divisors is an integer number (384678459).

Almost surely, 2^2564523030 is an apocalyptic number.

2564523030 is an abundant number, since it is smaller than the sum of its proper divisors (3590332314).

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

2564523030 is a wasteful number, since it uses less digits than its factorization.

2564523030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85484111.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 2564523030 is about 50641.1199520706. The cubic root of 2564523030 is about 1368.7859367141.

Adding to 2564523030 its reverse (303254652), we get a palindrome (2867777682).

The spelling of 2564523030 in words is "two billion, five hundred sixty-four million, five hundred twenty-three thousand, thirty".