258204253 has 2 divisors, whose sum is σ = 258204254. Its totient is φ = 258204252.

The previous prime is 258204217. The next prime is 258204259. The reversal of 258204253 is 352402852.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 166848889 + 91355364 = 12917^2 + 9558^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-258204253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (258204259) 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, 129102126 + 129102127.

It is an arithmetic number, because the mean of its divisors is an integer number (129102127).

Almost surely, 2^258204253 is an apocalyptic number.

It is an amenable number.

258204253 is a deficient number, since it is larger than the sum of its proper divisors (1).

258204253 is an equidigital number, since it uses as much as digits as its factorization.

258204253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 258204253 is about 16068.7352644818. The cubic root of 258204253 is about 636.7776284156. Note that the first 3 decimals are identical.

The spelling of 258204253 in words is "two hundred fifty-eight million, two hundred four thousand, two hundred fifty-three".