2583641247 has 24 divisors (see below), whose sum is σ = 3790391472. Its totient is φ = 1564231680.

The previous prime is 2583641239. The next prime is 2583641251. The reversal of 2583641247 is 7421463852.

It is not a de Polignac number, because 2583641247 - 2³ = 2583641239 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2583641199 and 2583641208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2583645247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 415453 + ... + 421625.

It is an arithmetic number, because the mean of its divisors is an integer number (157932978).

Almost surely, 2^2583641247 is an apocalyptic number.

2583641247 is a deficient number, since it is larger than the sum of its proper divisors (1206750225).

2583641247 is a wasteful number, since it uses less digits than its factorization.

2583641247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7351 (or 7340 counting only the distinct ones).

The product of its digits is 322560, while the sum is 42.

The square root of 2583641247 is about 50829.5312490682. The cubic root of 2583641247 is about 1372.1788985427.

The spelling of 2583641247 in words is "two billion, five hundred eighty-three million, six hundred forty-one thousand, two hundred forty-seven".