258282281 has 4 divisors (see below), whose sum is σ = 259363200. Its totient is φ = 257201364.

The previous prime is 258282239. The next prime is 258282287. The reversal of 258282281 is 182282852.

258282281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 258282281 - 2¹⁸ = 258020137 is a prime.

It is a super-2 number, since 2×258282281² = 133419473357125922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258282287) 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, 540101 + ... + 540578.

It is an arithmetic number, because the mean of its divisors is an integer number (64840800).

Almost surely, 2^258282281 is an apocalyptic number.

It is an amenable number.

258282281 is a deficient number, since it is larger than the sum of its proper divisors (1080919).

258282281 is a wasteful number, since it uses less digits than its factorization.

258282281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080918.

The product of its digits is 40960, while the sum is 38.

The square root of 258282281 is about 16071.1630257427. The cubic root of 258282281 is about 636.8417655991.

The spelling of 258282281 in words is "two hundred fifty-eight million, two hundred eighty-two thousand, two hundred eighty-one".