2563136231 has 4 divisors (see below), whose sum is σ = 2581576200. Its totient is φ = 2544696264.

The previous prime is 2563136227. The next prime is 2563136237. The reversal of 2563136231 is 1326313652.

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 2563136231 - 2² = 2563136227 is a prime.

It is a super-2 number, since 2×2563136231² = 13139334677329770722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563136237) 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 3 ways as a sum of consecutive naturals, for example, 9219776 + ... + 9220053.

It is an arithmetic number, because the mean of its divisors is an integer number (645394050).

Almost surely, 2^2563136231 is an apocalyptic number.

2563136231 is a deficient number, since it is larger than the sum of its proper divisors (18439969).

2563136231 is a wasteful number, since it uses less digits than its factorization.

2563136231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18439968.

The product of its digits is 19440, while the sum is 32.

The square root of 2563136231 is about 50627.4256801588. The cubic root of 2563136231 is about 1368.5391626600.

Adding to 2563136231 its reverse (1326313652), we get a palindrome (3889449883).

The spelling of 2563136231 in words is "two billion, five hundred sixty-three million, one hundred thirty-six thousand, two hundred thirty-one".