212463457 has 2 divisors, whose sum is σ = 212463458. Its totient is φ = 212463456.

The previous prime is 212463439. The next prime is 212463487. The reversal of 212463457 is 754364212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197993041 + 14470416 = 14071^2 + 3804^2 .

It is a cyclic number.

It is not a de Polignac number, because 212463457 - 2¹⁵ = 212430689 is a prime.

It is not a weakly prime, because it can be changed into another prime (212463437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106231728 + 106231729.

It is an arithmetic number, because the mean of its divisors is an integer number (106231729).

Almost surely, 2^212463457 is an apocalyptic number.

It is an amenable number.

212463457 is a deficient number, since it is larger than the sum of its proper divisors (1).

212463457 is an equidigital number, since it uses as much as digits as its factorization.

212463457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 212463457 is about 14576.1262686627. The cubic root of 212463457 is about 596.7073873703.

The spelling of 212463457 in words is "two hundred twelve million, four hundred sixty-three thousand, four hundred fifty-seven".