2561052403 has 8 divisors (see below), whose sum is σ = 3152064608. Its totient is φ = 2026327104.

The previous prime is 2561052401. The next prime is 2561052433. The reversal of 2561052403 is 3042501652.

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 2561052403 - 2¹ = 2561052401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2561052401) by changing a digit.

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, 14071626 + ... + 14071807.

It is an arithmetic number, because the mean of its divisors is an integer number (394008076).

Almost surely, 2^2561052403 is an apocalyptic number.

2561052403 is a deficient number, since it is larger than the sum of its proper divisors (591012205).

2561052403 is a wasteful number, since it uses less digits than its factorization.

2561052403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28143453.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 2561052403 is about 50606.8414643712. The cubic root of 2561052403 is about 1368.1681883073.

The spelling of 2561052403 in words is "two billion, five hundred sixty-one million, fifty-two thousand, four hundred three".