214953961 has 2 divisors, whose sum is σ = 214953962. Its totient is φ = 214953960.

The previous prime is 214953941. The next prime is 214953997. The reversal of 214953961 is 169359412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208975936 + 5978025 = 14456^2 + 2445^2 .

It is a cyclic number.

It is not a de Polignac number, because 214953961 - 2⁷ = 214953833 is a prime.

It is not a weakly prime, because it can be changed into another prime (214953901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107476980 + 107476981.

It is an arithmetic number, because the mean of its divisors is an integer number (107476981).

Almost surely, 2^214953961 is an apocalyptic number.

It is an amenable number.

214953961 is a deficient number, since it is larger than the sum of its proper divisors (1).

214953961 is an equidigital number, since it uses as much as digits as its factorization.

214953961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 58320, while the sum is 40.

The square root of 214953961 is about 14661.3082976929. The cubic root of 214953961 is about 599.0298776535.

The spelling of 214953961 in words is "two hundred fourteen million, nine hundred fifty-three thousand, nine hundred sixty-one".