212645383 has 2 divisors, whose sum is σ = 212645384. Its totient is φ = 212645382.

The previous prime is 212645369. The next prime is 212645413. The reversal of 212645383 is 383546212.

212645383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212645383 - 2²¹ = 210548231 is a prime.

It is a super-2 number, since 2×212645383² = 90436117822433378, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212648383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106322691 + 106322692.

It is an arithmetic number, because the mean of its divisors is an integer number (106322692).

Almost surely, 2^212645383 is an apocalyptic number.

212645383 is a deficient number, since it is larger than the sum of its proper divisors (1).

212645383 is an equidigital number, since it uses as much as digits as its factorization.

212645383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34560, while the sum is 34.

The square root of 212645383 is about 14582.3654802642. The cubic root of 212645383 is about 596.8776529144.

The spelling of 212645383 in words is "two hundred twelve million, six hundred forty-five thousand, three hundred eighty-three".