2585330397 has 36 divisors (see below), whose sum is σ = 4092641280. Its totient is φ = 1571727456.

The previous prime is 2585330393. The next prime is 2585330413. The reversal of 2585330397 is 7930335852.

2585330397 is a `hidden beast` number, since 2 + 585 + 3 + 30 + 39 + 7 = 666.

It is not a de Polignac number, because 2585330397 - 2² = 2585330393 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2585330393) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 116004 + ... + 136482.

It is an arithmetic number, because the mean of its divisors is an integer number (113684480).

Almost surely, 2^2585330397 is an apocalyptic number.

It is an amenable number.

2585330397 is a deficient number, since it is larger than the sum of its proper divisors (1507310883).

2585330397 is a wasteful number, since it uses less digits than its factorization.

2585330397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20594 (or 20578 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 2585330397 is about 50846.1443671002. The cubic root of 2585330397 is about 1372.4778707850.

The spelling of 2585330397 in words is "two billion, five hundred eighty-five million, three hundred thirty thousand, three hundred ninety-seven".