200530251 has 12 divisors (see below), whose sum is σ = 290602312. Its totient is φ = 133249536.

The previous prime is 200530207. The next prime is 200530277. The reversal of 200530251 is 152035002.

It is a happy number.

It is not a de Polignac number, because 200530251 - 2¹⁵ = 200497483 is a prime.

It is a super-2 number, since 2×200530251² = 80424763132246002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200530151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33526 + ... + 39051.

Almost surely, 2^200530251 is an apocalyptic number.

200530251 is a deficient number, since it is larger than the sum of its proper divisors (90072061).

200530251 is a wasteful number, since it uses less digits than its factorization.

200530251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72890 (or 72887 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 200530251 is about 14160.8704181629. The cubic root of 200530251 is about 585.3199126825.

Adding to 200530251 its reverse (152035002), we get a palindrome (352565253).

The spelling of 200530251 in words is "two hundred million, five hundred thirty thousand, two hundred fifty-one".