213629047 has 2 divisors, whose sum is σ = 213629048. Its totient is φ = 213629046.

The previous prime is 213629023. The next prime is 213629063. The reversal of 213629047 is 740926312.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 213629047 - 2¹¹ = 213626999 is a prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213629447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106814523 + 106814524.

It is an arithmetic number, because the mean of its divisors is an integer number (106814524).

Almost surely, 2^213629047 is an apocalyptic number.

213629047 is a deficient number, since it is larger than the sum of its proper divisors (1).

213629047 is an equidigital number, since it uses as much as digits as its factorization.

213629047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 213629047 is about 14616.0544265544. The cubic root of 213629047 is about 597.7965913707.

The spelling of 213629047 in words is "two hundred thirteen million, six hundred twenty-nine thousand, forty-seven".