201980951 has 2 divisors, whose sum is σ = 201980952. Its totient is φ = 201980950.

The previous prime is 201980941. The next prime is 201980957. The reversal of 201980951 is 159089102.

201980951 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201980951 - 2¹⁸ = 201718807 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201980957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100990475 + 100990476.

It is an arithmetic number, because the mean of its divisors is an integer number (100990476).

Almost surely, 2^201980951 is an apocalyptic number.

201980951 is a deficient number, since it is larger than the sum of its proper divisors (1).

201980951 is an equidigital number, since it uses as much as digits as its factorization.

201980951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 201980951 is about 14212.0002462708. Note that the first 3 decimals coincide. The cubic root of 201980951 is about 586.7279864810.

The spelling of 201980951 in words is "two hundred one million, nine hundred eighty thousand, nine hundred fifty-one".