258982694 has 4 divisors (see below), whose sum is σ = 388474044. Its totient is φ = 129491346.

The previous prime is 258982681. The next prime is 258982699. The reversal of 258982694 is 496289852.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258982699) 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 as a sum of consecutive naturals, namely, 64745672 + ... + 64745675.

It is an arithmetic number, because the mean of its divisors is an integer number (97118511).

Almost surely, 2^258982694 is an apocalyptic number.

258982694 is a deficient number, since it is larger than the sum of its proper divisors (129491350).

258982694 is a wasteful number, since it uses less digits than its factorization.

258982694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129491349.

The product of its digits is 2488320, while the sum is 53.

The square root of 258982694 is about 16092.9392591907. The cubic root of 258982694 is about 637.4169110729.

The spelling of 258982694 in words is "two hundred fifty-eight million, nine hundred eighty-two thousand, six hundred ninety-four".