200105951 has 2 divisors, whose sum is σ = 200105952. Its totient is φ = 200105950.

The previous prime is 200105923. The next prime is 200105981. The reversal of 200105951 is 159501002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200105951 - 2¹⁸ = 199843807 is a prime.

It is a super-2 number, since 2×200105951² = 80084783251228802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200105981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100052975 + 100052976.

It is an arithmetic number, because the mean of its divisors is an integer number (100052976).

Almost surely, 2^200105951 is an apocalyptic number.

200105951 is a deficient number, since it is larger than the sum of its proper divisors (1).

200105951 is an equidigital number, since it uses as much as digits as its factorization.

200105951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 200105951 is about 14145.8810612842. The cubic root of 200105951 is about 584.9067969469.

Adding to 200105951 its reverse (159501002), we get a palindrome (359606953).

The spelling of 200105951 in words is "two hundred million, one hundred five thousand, nine hundred fifty-one".