258066242 has 24 divisors (see below), whose sum is σ = 456480396. Its totient is φ = 109081728.

The previous prime is 258066203. The next prime is 258066247. The reversal of 258066242 is 242660852.

258066242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 237807241 + 20259001 = 15421^2 + 4501^2 .

It is not an unprimeable number, because it can be changed into a prime (258066247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10883 + ... + 25190.

Almost surely, 2^258066242 is an apocalyptic number.

258066242 is a deficient number, since it is larger than the sum of its proper divisors (198414154).

258066242 is a wasteful number, since it uses less digits than its factorization.

258066242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36162 (or 36155 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 258066242 is about 16064.4402952608. The cubic root of 258066242 is about 636.6641549688.

The spelling of 258066242 in words is "two hundred fifty-eight million, sixty-six thousand, two hundred forty-two".