214542949 has 2 divisors, whose sum is σ = 214542950. Its totient is φ = 214542948.

The previous prime is 214542943. The next prime is 214542967. The reversal of 214542949 is 949245412.

214542949 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 189612900 + 24930049 = 13770^2 + 4993^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-214542949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214542943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107271474 + 107271475.

It is an arithmetic number, because the mean of its divisors is an integer number (107271475).

Almost surely, 2^214542949 is an apocalyptic number.

It is an amenable number.

214542949 is a deficient number, since it is larger than the sum of its proper divisors (1).

214542949 is an equidigital number, since it uses as much as digits as its factorization.

214542949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 214542949 is about 14647.2846971717. The cubic root of 214542949 is about 598.6478337368.

The spelling of 214542949 in words is "two hundred fourteen million, five hundred forty-two thousand, nine hundred forty-nine".