201035961 has 48 divisors (see below), whose sum is σ = 347176960. Its totient is φ = 109680480.

The previous prime is 201035957. The next prime is 201035963. The reversal of 201035961 is 169530102.

It is not a de Polignac number, because 201035961 - 2² = 201035957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201035963) 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 47 ways as a sum of consecutive naturals, for example, 153636 + ... + 154938.

Almost surely, 2^201035961 is an apocalyptic number.

201035961 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

201035961 is a deficient number, since it is larger than the sum of its proper divisors (146140999).

201035961 is a wasteful number, since it uses less digits than its factorization.

201035961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1423 counting only the distinct ones).

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

The square root of 201035961 is about 14178.7150687218. The cubic root of 201035961 is about 585.8115320332.

The spelling of 201035961 in words is "two hundred one million, thirty-five thousand, nine hundred sixty-one".