258464827 has 4 divisors (see below), whose sum is σ = 258679120. Its totient is φ = 258250536.

The previous prime is 258464807. The next prime is 258464831. The reversal of 258464827 is 728464852.

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

It is a cyclic number.

It is not a de Polignac number, because 258464827 - 2¹⁹ = 257940539 is a prime.

It is a super-2 number, since 2×258464827² = 133608133592279858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (258464807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105327 + ... + 107752.

It is an arithmetic number, because the mean of its divisors is an integer number (64669780).

Almost surely, 2^258464827 is an apocalyptic number.

258464827 is a deficient number, since it is larger than the sum of its proper divisors (214293).

258464827 is a wasteful number, since it uses less digits than its factorization.

258464827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214292.

The product of its digits is 860160, while the sum is 46.

The square root of 258464827 is about 16076.8413253350. The cubic root of 258464827 is about 636.9917636803.

The spelling of 258464827 in words is "two hundred fifty-eight million, four hundred sixty-four thousand, eight hundred twenty-seven".