258672529 has 2 divisors, whose sum is σ = 258672530. Its totient is φ = 258672528.

The previous prime is 258672523. The next prime is 258672539. The reversal of 258672529 is 925276852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257538304 + 1134225 = 16048^2 + 1065^2 .

It is a cyclic number.

It is not a de Polignac number, because 258672529 - 2¹¹ = 258670481 is a prime.

It is a super-3 number, since 3×258672529³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (258672523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 129336264 + 129336265.

It is an arithmetic number, because the mean of its divisors is an integer number (129336265).

Almost surely, 2^258672529 is an apocalyptic number.

It is an amenable number.

258672529 is a deficient number, since it is larger than the sum of its proper divisors (1).

258672529 is an equidigital number, since it uses as much as digits as its factorization.

258672529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604800, while the sum is 46.

The square root of 258672529 is about 16083.2996925382. The cubic root of 258672529 is about 637.1623465803.

The spelling of 258672529 in words is "two hundred fifty-eight million, six hundred seventy-two thousand, five hundred twenty-nine".