200513857 has 4 divisors (see below), whose sum is σ = 200749780. Its totient is φ = 200277936.

The previous prime is 200513851. The next prime is 200513879. The reversal of 200513857 is 758315002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 39325441 + 161188416 = 6271^2 + 12696^2 .

It is a cyclic number.

It is not a de Polignac number, because 200513857 - 2³ = 200513849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200513851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116682 + ... + 118387.

It is an arithmetic number, because the mean of its divisors is an integer number (50187445).

Almost surely, 2^200513857 is an apocalyptic number.

It is an amenable number.

200513857 is a deficient number, since it is larger than the sum of its proper divisors (235923).

200513857 is an equidigital number, since it uses as much as digits as its factorization.

200513857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235922.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 200513857 is about 14160.2915577328. The cubic root of 200513857 is about 585.3039616459.

Adding to 200513857 its reverse (758315002), we get a palindrome (958828859).

The spelling of 200513857 in words is "two hundred million, five hundred thirteen thousand, eight hundred fifty-seven".