200001057 has 16 divisors (see below), whose sum is σ = 276014592. Its totient is φ = 128684160.

The previous prime is 200001047. The next prime is 200001059. The reversal of 200001057 is 750100002.

It is a happy number.

It is not a de Polignac number, because 200001057 - 2⁷ = 200000929 is a prime.

It is a super-2 number, since 2×200001057² = 80000845602234498, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200001059) 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, 34213 + ... + 39629.

It is an arithmetic number, because the mean of its divisors is an integer number (17250912).

Almost surely, 2^200001057 is an apocalyptic number.

It is an amenable number.

200001057 is a deficient number, since it is larger than the sum of its proper divisors (76013535).

200001057 is a wasteful number, since it uses less digits than its factorization.

200001057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848.

The product of its (nonzero) digits is 70, while the sum is 15.

The square root of 200001057 is about 14142.1729942750. The cubic root of 200001057 is about 584.8045778697.

Adding to 200001057 its reverse (750100002), we get a palindrome (950101059).

The spelling of 200001057 in words is "two hundred million, one thousand, fifty-seven".