2565603030 has 32 divisors (see below), whose sum is σ = 6369775200. Its totient is φ = 660568832.

The previous prime is 2565603017. The next prime is 2565603067. The reversal of 2565603030 is 303065652.

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

It is a Curzon number.

It is a congruent number.

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, 1473615 + ... + 1475354.

It is an arithmetic number, because the mean of its divisors is an integer number (199055475).

Almost surely, 2^2565603030 is an apocalyptic number.

2565603030 is an abundant number, since it is smaller than the sum of its proper divisors (3804172170).

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

2565603030 is a wasteful number, since it uses less digits than its factorization.

2565603030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949008.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 2565603030 is about 50651.7821009291. The cubic root of 2565603030 is about 1368.9780557847.

Adding to 2565603030 its reverse (303065652), we get a palindrome (2868668682).

The spelling of 2565603030 in words is "two billion, five hundred sixty-five million, six hundred three thousand, thirty".