212094761 has 2 divisors, whose sum is σ = 212094762. Its totient is φ = 212094760.

The previous prime is 212094683. The next prime is 212094781. The reversal of 212094761 is 167490212.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189475225 + 22619536 = 13765^2 + 4756^2 .

It is a cyclic number.

It is not a de Polignac number, because 212094761 - 2²² = 207900457 is a prime.

It is not a weakly prime, because it can be changed into another prime (212094781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106047380 + 106047381.

It is an arithmetic number, because the mean of its divisors is an integer number (106047381).

Almost surely, 2^212094761 is an apocalyptic number.

It is an amenable number.

212094761 is a deficient number, since it is larger than the sum of its proper divisors (1).

212094761 is an equidigital number, since it uses as much as digits as its factorization.

212094761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 212094761 is about 14563.4735211075. The cubic root of 212094761 is about 596.3620244342.

The spelling of 212094761 in words is "two hundred twelve million, ninety-four thousand, seven hundred sixty-one".