258618941 has 4 divisors (see below), whose sum is σ = 295564512. Its totient is φ = 221673372.

The previous prime is 258618931. The next prime is 258618947. The reversal of 258618941 is 149816852.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 258618941 - 2¹⁰ = 258617917 is a prime.

It is a super-2 number, since 2×258618941² = 133767513287922962, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 258618892 and 258618901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258618947) 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, 18472775 + ... + 18472788.

It is an arithmetic number, because the mean of its divisors is an integer number (73891128).

Almost surely, 2^258618941 is an apocalyptic number.

It is an amenable number.

258618941 is a deficient number, since it is larger than the sum of its proper divisors (36945571).

258618941 is an equidigital number, since it uses as much as digits as its factorization.

258618941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36945570.

The product of its digits is 138240, while the sum is 44.

The square root of 258618941 is about 16081.6336545763. The cubic root of 258618941 is about 637.1183442091.

The spelling of 258618941 in words is "two hundred fifty-eight million, six hundred eighteen thousand, nine hundred forty-one".