2563465925 has 24 divisors (see below), whose sum is σ = 3238349280. Its totient is φ = 2012414400.

The previous prime is 2563465909. The next prime is 2563465967. The reversal of 2563465925 is 5295643652.

It is not a de Polignac number, because 2563465925 - 2⁴ = 2563465909 is a prime.

It is a super-2 number, since 2×2563465925² = 13142715097272211250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2563465925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1079990 + ... + 1082360.

It is an arithmetic number, because the mean of its divisors is an integer number (134931220).

Almost surely, 2^2563465925 is an apocalyptic number.

2563465925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2563465925 is a deficient number, since it is larger than the sum of its proper divisors (674883355).

2563465925 is a wasteful number, since it uses less digits than its factorization.

2563465925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3173 (or 3168 counting only the distinct ones).

The product of its digits is 1944000, while the sum is 47.

The square root of 2563465925 is about 50630.6816564818. The cubic root of 2563465925 is about 1368.5978381478.

The spelling of 2563465925 in words is "two billion, five hundred sixty-three million, four hundred sixty-five thousand, nine hundred twenty-five".