206024425 has 24 divisors (see below), whose sum is σ = 259664184. Its totient is φ = 162140160.

The previous prime is 206024407. The next prime is 206024437. The reversal of 206024425 is 524420602.

It can be written as a sum of positive squares in 12 ways, for example, as 198021184 + 8003241 = 14072^2 + 2829^2 .

It is not a de Polignac number, because 206024425 - 2⁷ = 206024297 is a prime.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 206024425.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 658069 + ... + 658381.

It is an arithmetic number, because the mean of its divisors is an integer number (10819341).

Almost surely, 2^206024425 is an apocalyptic number.

206024425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

206024425 is a deficient number, since it is larger than the sum of its proper divisors (53639759).

206024425 is a wasteful number, since it uses less digits than its factorization.

206024425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669 (or 664 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 206024425 is about 14353.5509543806. The cubic root of 206024425 is about 590.6173992844.

The spelling of 206024425 in words is "two hundred six million, twenty-four thousand, four hundred twenty-five".