2585678403 has 96 divisors (see below), whose sum is σ = 4656064000. Its totient is φ = 1271350080.

The previous prime is 2585678401. The next prime is 2585678419. The reversal of 2585678403 is 3048765852.

It is not a de Polignac number, because 2585678403 - 2¹ = 2585678401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2585678401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2365125 + ... + 2366217.

Almost surely, 2^2585678403 is an apocalyptic number.

2585678403 is a deficient number, since it is larger than the sum of its proper divisors (2070385597).

2585678403 is a wasteful number, since it uses less digits than its factorization.

2585678403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1158 (or 1133 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 48.

The square root of 2585678403 is about 50849.5663993313. The cubic root of 2585678403 is about 1372.5394501618.

The spelling of 2585678403 in words is "two billion, five hundred eighty-five million, six hundred seventy-eight thousand, four hundred three".