200402251 has 8 divisors (see below), whose sum is σ = 230033120. Its totient is φ = 171021888.

The previous prime is 200402233. The next prime is 200402261. The reversal of 200402251 is 152204002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200402251 - 2¹¹ = 200400203 is a prime.

It is a super-2 number, since 2×200402251² = 80322124411734002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200402201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60906 + ... + 64111.

It is an arithmetic number, because the mean of its divisors is an integer number (28754140).

Almost surely, 2^200402251 is an apocalyptic number.

200402251 is a deficient number, since it is larger than the sum of its proper divisors (29630869).

200402251 is a wasteful number, since it uses less digits than its factorization.

200402251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125253.

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 200402251 is about 14156.3502005284. The cubic root of 200402251 is about 585.1953481094.

Adding to 200402251 its reverse (152204002), we get a palindrome (352606253).

The spelling of 200402251 in words is "two hundred million, four hundred two thousand, two hundred fifty-one".