212055413 has 2 divisors, whose sum is σ = 212055414. Its totient is φ = 212055412.

The previous prime is 212055401. The next prime is 212055419. The reversal of 212055413 is 314550212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129572689 + 82482724 = 11383^2 + 9082^2 .

It is a cyclic number.

It is not a de Polignac number, because 212055413 - 2¹² = 212051317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212055419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106027706 + 106027707.

It is an arithmetic number, because the mean of its divisors is an integer number (106027707).

Almost surely, 2^212055413 is an apocalyptic number.

It is an amenable number.

212055413 is a deficient number, since it is larger than the sum of its proper divisors (1).

212055413 is an equidigital number, since it uses as much as digits as its factorization.

212055413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 212055413 is about 14562.1225444645. The cubic root of 212055413 is about 596.3251429571.

The spelling of 212055413 in words is "two hundred twelve million, fifty-five thousand, four hundred thirteen".