2584953881 has 2 divisors, whose sum is σ = 2584953882. Its totient is φ = 2584953880.

The previous prime is 2584953863. The next prime is 2584953929. The reversal of 2584953881 is 1883594852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2550250000 + 34703881 = 50500^2 + 5891^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2584953881 is a prime.

It is a super-2 number, since 2×2584953881² = 13363973133793924322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2584953851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292476940 + 1292476941.

It is an arithmetic number, because the mean of its divisors is an integer number (1292476941).

Almost surely, 2^2584953881 is an apocalyptic number.

It is an amenable number.

2584953881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2584953881 is an equidigital number, since it uses as much as digits as its factorization.

2584953881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2764800, while the sum is 53.

The square root of 2584953881 is about 50842.4417293269. The cubic root of 2584953881 is about 1372.4112403630.

The spelling of 2584953881 in words is "two billion, five hundred eighty-four million, nine hundred fifty-three thousand, eight hundred eighty-one".