2563225613 has 8 divisors (see below), whose sum is σ = 2769277056. Its totient is φ = 2358442800.

The previous prime is 2563225603. The next prime is 2563225619. The reversal of 2563225613 is 3165223652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2563225613 - 2⁴ = 2563225597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563225619) 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, 312953 + ... + 321038.

It is an arithmetic number, because the mean of its divisors is an integer number (346159632).

Almost surely, 2^2563225613 is an apocalyptic number.

It is an amenable number.

2563225613 is a deficient number, since it is larger than the sum of its proper divisors (206051443).

2563225613 is a wasteful number, since it uses less digits than its factorization.

2563225613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634315.

The product of its digits is 64800, while the sum is 35.

The square root of 2563225613 is about 50628.3084153520. The cubic root of 2563225613 is about 1368.5550704301. Note that the first 3 decimals are identical.

The spelling of 2563225613 in words is "two billion, five hundred sixty-three million, two hundred twenty-five thousand, six hundred thirteen".