212754089 has 2 divisors, whose sum is σ = 212754090. Its totient is φ = 212754088.

The previous prime is 212753999. The next prime is 212754103. The reversal of 212754089 is 980457212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203347600 + 9406489 = 14260^2 + 3067^2 .

It is a cyclic number.

It is not a de Polignac number, because 212754089 - 2⁸ = 212753833 is a prime.

It is a super-4 number, since 4×212754089⁴ (a number of 34 digits) contains 4444 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (212754889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106377044 + 106377045.

It is an arithmetic number, because the mean of its divisors is an integer number (106377045).

Almost surely, 2^212754089 is an apocalyptic number.

It is an amenable number.

212754089 is a deficient number, since it is larger than the sum of its proper divisors (1).

212754089 is an equidigital number, since it uses as much as digits as its factorization.

212754089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 212754089 is about 14586.0923142561. The cubic root of 212754089 is about 596.9793451119.

The spelling of 212754089 in words is "two hundred twelve million, seven hundred fifty-four thousand, eighty-nine".