212604401 has 2 divisors, whose sum is σ = 212604402. Its totient is φ = 212604400.

The previous prime is 212604389. The next prime is 212604407. The reversal of 212604401 is 104406212.

212604401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118048225 + 94556176 = 10865^2 + 9724^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212604401 is a prime.

It is not a weakly prime, because it can be changed into another prime (212604407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106302200 + 106302201.

It is an arithmetic number, because the mean of its divisors is an integer number (106302201).

Almost surely, 2^212604401 is an apocalyptic number.

It is an amenable number.

212604401 is a deficient number, since it is larger than the sum of its proper divisors (1).

212604401 is an equidigital number, since it uses as much as digits as its factorization.

212604401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 212604401 is about 14580.9602221527. The cubic root of 212604401 is about 596.8393061118.

The spelling of 212604401 in words is "two hundred twelve million, six hundred four thousand, four hundred one".