258741671 has 4 divisors (see below), whose sum is σ = 260455344. Its totient is φ = 257028000.

The previous prime is 258741667. The next prime is 258741673. The reversal of 258741671 is 176147852.

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 258741671 - 2² = 258741667 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 (258741673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 856610 + ... + 856911.

It is an arithmetic number, because the mean of its divisors is an integer number (65113836).

Almost surely, 2^258741671 is an apocalyptic number.

258741671 is a deficient number, since it is larger than the sum of its proper divisors (1713673).

258741671 is a wasteful number, since it uses less digits than its factorization.

258741671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713672.

The product of its digits is 94080, while the sum is 41.

The square root of 258741671 is about 16085.4490456437. The cubic root of 258741671 is about 637.2191117298.

The spelling of 258741671 in words is "two hundred fifty-eight million, seven hundred forty-one thousand, six hundred seventy-one".