213555053 has 2 divisors, whose sum is σ = 213555054. Its totient is φ = 213555052.

The previous prime is 213555031. The next prime is 213555061. The reversal of 213555053 is 350555312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 172055689 + 41499364 = 13117^2 + 6442^2 .

It is a cyclic number.

It is not a de Polignac number, because 213555053 - 2⁶ = 213554989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213555653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106777526 + 106777527.

It is an arithmetic number, because the mean of its divisors is an integer number (106777527).

Almost surely, 2^213555053 is an apocalyptic number.

It is an amenable number.

213555053 is a deficient number, since it is larger than the sum of its proper divisors (1).

213555053 is an equidigital number, since it uses as much as digits as its factorization.

213555053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 213555053 is about 14613.5229496518. The cubic root of 213555053 is about 597.7275644451.

The spelling of 213555053 in words is "two hundred thirteen million, five hundred fifty-five thousand, fifty-three".