213025229 has 2 divisors, whose sum is σ = 213025230. Its totient is φ = 213025228.

The previous prime is 213025201. The next prime is 213025247. The reversal of 213025229 is 922520312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192793225 + 20232004 = 13885^2 + 4498^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213025229 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 213025198 and 213025207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213025259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106512614 + 106512615.

It is an arithmetic number, because the mean of its divisors is an integer number (106512615).

Almost surely, 2^213025229 is an apocalyptic number.

It is an amenable number.

213025229 is a deficient number, since it is larger than the sum of its proper divisors (1).

213025229 is an equidigital number, since it uses as much as digits as its factorization.

213025229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 213025229 is about 14595.3838250318. The cubic root of 213025229 is about 597.2328400697.

The spelling of 213025229 in words is "two hundred thirteen million, twenty-five thousand, two hundred twenty-nine".