206693425 has 12 divisors (see below), whose sum is σ = 259911936. Its totient is φ = 163024400.

The previous prime is 206693393. The next prime is 206693471. The reversal of 206693425 is 524396602.

It is not a de Polignac number, because 206693425 - 2⁵ = 206693393 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56449 + ... + 59998.

It is an arithmetic number, because the mean of its divisors is an integer number (21659328).

Almost surely, 2^206693425 is an apocalyptic number.

206693425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206693425 is a deficient number, since it is larger than the sum of its proper divisors (53218511).

206693425 is a wasteful number, since it uses less digits than its factorization.

206693425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116528 (or 116523 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 206693425 is about 14376.8364044389. The cubic root of 206693425 is about 591.2559904457.

The spelling of 206693425 in words is "two hundred six million, six hundred ninety-three thousand, four hundred twenty-five".