200351961 has 20 divisors (see below), whose sum is σ = 299832192. Its totient is φ = 133326648.

The previous prime is 200351947. The next prime is 200351971. The reversal of 200351961 is 169153002.

200351961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200351961 - 2¹³ = 200343769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (200351971) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 50496 + ... + 54318.

Almost surely, 2^200351961 is an apocalyptic number.

It is an amenable number.

200351961 is a deficient number, since it is larger than the sum of its proper divisors (99480231).

200351961 is an equidigital number, since it uses as much as digits as its factorization.

200351961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4482 (or 4473 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 200351961 is about 14154.5738544119. The cubic root of 200351961 is about 585.1463933430.

The spelling of 200351961 in words is "two hundred million, three hundred fifty-one thousand, nine hundred sixty-one".