258494141 has 4 divisors (see below), whose sum is σ = 259806492. Its totient is φ = 257181792.

The previous prime is 258494111. The next prime is 258494189. The reversal of 258494141 is 141494852.

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

It can be written as a sum of positive squares in 2 ways, for example, as 159491641 + 99002500 = 12629^2 + 9950^2 .

It is a cyclic number.

It is not a de Polignac number, because 258494141 - 2⁶ = 258494077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258494095 and 258494104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258494101) 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, 655880 + ... + 656273.

It is an arithmetic number, because the mean of its divisors is an integer number (64951623).

Almost surely, 2^258494141 is an apocalyptic number.

It is an amenable number.

258494141 is a deficient number, since it is larger than the sum of its proper divisors (1312351).

258494141 is a wasteful number, since it uses less digits than its factorization.

258494141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312350.

The product of its digits is 46080, while the sum is 38.

The square root of 258494141 is about 16077.7529835484. The cubic root of 258494141 is about 637.0158444174.

The spelling of 258494141 in words is "two hundred fifty-eight million, four hundred ninety-four thousand, one hundred forty-one".