213579253 has 2 divisors, whose sum is σ = 213579254. Its totient is φ = 213579252.

The previous prime is 213579227. The next prime is 213579257. The reversal of 213579253 is 352975312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110313009 + 103266244 = 10503^2 + 10162^2 .

It is a cyclic number.

It is not a de Polignac number, because 213579253 - 2⁵ = 213579221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213579257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106789626 + 106789627.

It is an arithmetic number, because the mean of its divisors is an integer number (106789627).

Almost surely, 2^213579253 is an apocalyptic number.

It is an amenable number.

213579253 is a deficient number, since it is larger than the sum of its proper divisors (1).

213579253 is an equidigital number, since it uses as much as digits as its factorization.

213579253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 37.

The square root of 213579253 is about 14614.3509264011. The cubic root of 213579253 is about 597.7501417002.

The spelling of 213579253 in words is "two hundred thirteen million, five hundred seventy-nine thousand, two hundred fifty-three".