2565126030 has 16 divisors (see below), whose sum is σ = 6156302544. Its totient is φ = 684033600.

The previous prime is 2565126029. The next prime is 2565126071. The reversal of 2565126030 is 306215652.

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: 85504201 = 2565126030 / (2 + 5 + 6 + 5 + 1 + 2 + 6 + 0 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42752071 + ... + 42752130.

It is an arithmetic number, because the mean of its divisors is an integer number (384768909).

Almost surely, 2^2565126030 is an apocalyptic number.

2565126030 is an abundant number, since it is smaller than the sum of its proper divisors (3591176514).

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

2565126030 is a wasteful number, since it uses less digits than its factorization.

2565126030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85504211.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2565126030 is about 50647.0732619369. The cubic root of 2565126030 is about 1368.8932098442.

It can be divided in two parts, 25651 and 26030, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 2565126030 in words is "two billion, five hundred sixty-five million, one hundred twenty-six thousand, thirty".