2566241403 has 32 divisors (see below), whose sum is σ = 3995827200. Its totient is φ = 1448445600.

The previous prime is 2566241401. The next prime is 2566241423. The reversal of 2566241403 is 3041426652.

It is not a de Polignac number, because 2566241403 - 2¹ = 2566241401 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (2566241401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2308 + ... + 71678.

It is an arithmetic number, because the mean of its divisors is an integer number (124869600).

Almost surely, 2^2566241403 is an apocalyptic number.

2566241403 is a deficient number, since it is larger than the sum of its proper divisors (1429585797).

2566241403 is a wasteful number, since it uses less digits than its factorization.

2566241403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69463.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 2566241403 is about 50658.0832937844. The cubic root of 2566241403 is about 1369.0915893471.

The spelling of 2566241403 in words is "two billion, five hundred sixty-six million, two hundred forty-one thousand, four hundred three".