2541857284 has 12 divisors (see below), whose sum is σ = 4456071900. Its totient is φ = 1268693888.

The previous prime is 2541857257. The next prime is 2541857291. The reversal of 2541857284 is 4827581452.

It can be written as a sum of positive squares in 2 ways, for example, as 1207562500 + 1334294784 = 34750^2 + 36528^2 .

It is a super-2 number, since 2×2541857284² = 12922076904447713312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 556129 + ... + 560680.

It is an arithmetic number, because the mean of its divisors is an integer number (371339325).

Almost surely, 2^2541857284 is an apocalyptic number.

It is an amenable number.

2541857284 is a deficient number, since it is larger than the sum of its proper divisors (1914214616).

2541857284 is a wasteful number, since it uses less digits than its factorization.

2541857284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117382 (or 1117380 counting only the distinct ones).

The product of its digits is 716800, while the sum is 46.

The square root of 2541857284 is about 50416.8353231339. The cubic root of 2541857284 is about 1364.7414671355.

The spelling of 2541857284 in words is "two billion, five hundred forty-one million, eight hundred fifty-seven thousand, two hundred eighty-four".