2563436231 has 4 divisors (see below), whose sum is σ = 2565369312. Its totient is φ = 2561503152.

The previous prime is 2563436203. The next prime is 2563436251. The reversal of 2563436231 is 1326343652.

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

It is a cyclic number.

It is not a de Polignac number, because 2563436231 - 2¹⁰ = 2563435207 is a prime.

It is a super-2 number, since 2×2563436231² = 13142410620806970722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2563436191 and 2563436200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563436251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 964550 + ... + 967203.

It is an arithmetic number, because the mean of its divisors is an integer number (641342328).

Almost surely, 2^2563436231 is an apocalyptic number.

2563436231 is a deficient number, since it is larger than the sum of its proper divisors (1933081).

2563436231 is a wasteful number, since it uses less digits than its factorization.

2563436231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1933080.

The product of its digits is 77760, while the sum is 35.

The square root of 2563436231 is about 50630.3884144690. The cubic root of 2563436231 is about 1368.5925537266.

Adding to 2563436231 its reverse (1326343652), we get a palindrome (3889779883).

The spelling of 2563436231 in words is "two billion, five hundred sixty-three million, four hundred thirty-six thousand, two hundred thirty-one".