2585236407 has 16 divisors (see below), whose sum is σ = 3840140640. Its totient is φ = 1536054912.

The previous prime is 2585236391. The next prime is 2585236429. The reversal of 2585236407 is 7046325852.

It is not a de Polignac number, because 2585236407 - 2⁴ = 2585236391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585236307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141768 + ... + 1144029.

It is an arithmetic number, because the mean of its divisors is an integer number (240008790).

Almost surely, 2^2585236407 is an apocalyptic number.

2585236407 is a deficient number, since it is larger than the sum of its proper divisors (1254904233).

2585236407 is a wasteful number, since it uses less digits than its factorization.

2585236407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2285842.

The product of its (nonzero) digits is 403200, while the sum is 42.

The square root of 2585236407 is about 50845.2200998285. The cubic root of 2585236407 is about 1372.4612383836.

The spelling of 2585236407 in words is "two billion, five hundred eighty-five million, two hundred thirty-six thousand, four hundred seven".