2563253057 has 4 divisors (see below), whose sum is σ = 2572375236. Its totient is φ = 2554130880.

The previous prime is 2563253041. The next prime is 2563253059. The reversal of 2563253057 is 7503523652.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1496838721 + 1066414336 = 38689^2 + 32656^2 .

It is a cyclic number.

It is not a de Polignac number, because 2563253057 - 2⁴ = 2563253041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2563253057.

It is not an unprimeable number, because it can be changed into a prime (2563253059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4560668 + ... + 4561229.

It is an arithmetic number, because the mean of its divisors is an integer number (643093809).

Almost surely, 2^2563253057 is an apocalyptic number.

It is an amenable number.

2563253057 is a deficient number, since it is larger than the sum of its proper divisors (9122179).

2563253057 is an equidigital number, since it uses as much as digits as its factorization.

2563253057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9122178.

The product of its (nonzero) digits is 189000, while the sum is 38.

The square root of 2563253057 is about 50628.5794487659. The cubic root of 2563253057 is about 1368.5599547044.

The spelling of 2563253057 in words is "two billion, five hundred sixty-three million, two hundred fifty-three thousand, fifty-seven".