258263648 has 12 divisors (see below), whose sum is σ = 508456620. Its totient is φ = 129131808.

The previous prime is 258263641. The next prime is 258263683. The reversal of 258263648 is 846362852.

It is a super-2 number, since 2×258263648² = 133400223756535808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 258263599 and 258263608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258263641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4035338 + ... + 4035401.

It is an arithmetic number, because the mean of its divisors is an integer number (42371385).

Almost surely, 2^258263648 is an apocalyptic number.

It is an amenable number.

258263648 is a deficient number, since it is larger than the sum of its proper divisors (250192972).

258263648 is an equidigital number, since it uses as much as digits as its factorization.

258263648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8070749 (or 8070741 counting only the distinct ones).

The product of its digits is 552960, while the sum is 44.

The square root of 258263648 is about 16070.5833123754. The cubic root of 258263648 is about 636.8264508848.

The spelling of 258263648 in words is "two hundred fifty-eight million, two hundred sixty-three thousand, six hundred forty-eight".