212526047 has 2 divisors, whose sum is σ = 212526048. Its totient is φ = 212526046.

The previous prime is 212526043. The next prime is 212526053. The reversal of 212526047 is 740625212.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212526047 - 2² = 212526043 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212526043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106263023 + 106263024.

It is an arithmetic number, because the mean of its divisors is an integer number (106263024).

Almost surely, 2^212526047 is an apocalyptic number.

212526047 is a deficient number, since it is larger than the sum of its proper divisors (1).

212526047 is an equidigital number, since it uses as much as digits as its factorization.

212526047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 212526047 is about 14578.2731144673. The cubic root of 212526047 is about 596.7659766591.

The spelling of 212526047 in words is "two hundred twelve million, five hundred twenty-six thousand, forty-seven".