258263671 has 4 divisors (see below), whose sum is σ = 261165600. Its totient is φ = 255361744.

The previous prime is 258263641. The next prime is 258263683. The reversal of 258263671 is 176362852.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 258263671 - 2¹³ = 258255479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258263611) 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 in 3 ways as a sum of consecutive naturals, for example, 1450831 + ... + 1451008.

It is an arithmetic number, because the mean of its divisors is an integer number (65291400).

Almost surely, 2^258263671 is an apocalyptic number.

258263671 is a deficient number, since it is larger than the sum of its proper divisors (2901929).

258263671 is an equidigital number, since it uses as much as digits as its factorization.

258263671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901928.

The product of its digits is 120960, while the sum is 40.

The square root of 258263671 is about 16070.5840279686. The cubic root of 258263671 is about 636.8264697893.

The spelling of 258263671 in words is "two hundred fifty-eight million, two hundred sixty-three thousand, six hundred seventy-one".