258266634 has 16 divisors (see below), whose sum is σ = 534345120. Its totient is φ = 83120240.

The previous prime is 258266633. The next prime is 258266641. The reversal of 258266634 is 436662852.

It is a happy number.

258266634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (258266633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 741972 + ... + 742319.

It is an arithmetic number, because the mean of its divisors is an integer number (33396570).

Almost surely, 2^258266634 is an apocalyptic number.

258266634 is an abundant number, since it is smaller than the sum of its proper divisors (276078486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258266634 is a wasteful number, since it uses less digits than its factorization.

258266634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484325.

The product of its digits is 414720, while the sum is 42.

The square root of 258266634 is about 16070.6762147708. The cubic root of 258266634 is about 636.8289051681.

The spelling of 258266634 in words is "two hundred fifty-eight million, two hundred sixty-six thousand, six hundred thirty-four".