200287251 has 12 divisors (see below), whose sum is σ = 306321912. Its totient is φ = 125670336.

The previous prime is 200287231. The next prime is 200287259. The reversal of 200287251 is 152782002.

It is not a de Polignac number, because 200287251 - 2¹⁰ = 200286227 is a prime.

It is a super-2 number, since 2×200287251² = 80229965826274002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (200287259) 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, 654381 + ... + 654686.

It is an arithmetic number, because the mean of its divisors is an integer number (25526826).

Almost surely, 2^200287251 is an apocalyptic number.

200287251 is a deficient number, since it is larger than the sum of its proper divisors (106034661).

200287251 is a wasteful number, since it uses less digits than its factorization.

200287251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1309090 (or 1309087 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 200287251 is about 14152.2878362475. The cubic root of 200287251 is about 585.0833893837.

It can be divided in two parts, 2002 and 87251, that added together give a triangular number (89253 = T₄₂₂).

The spelling of 200287251 in words is "two hundred million, two hundred eighty-seven thousand, two hundred fifty-one".