259645948 has 24 divisors (see below), whose sum is σ = 468087984. Its totient is φ = 125942400.

The previous prime is 259645943. The next prime is 259645979. The reversal of 259645948 is 849546952.

It is a junction number, because it is equal to n+sod(n) for n = 259645895 and 259645904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259645943) 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 7 ways as a sum of consecutive naturals, for example, 25311 + ... + 34057.

It is an arithmetic number, because the mean of its divisors is an integer number (19503666).

Almost surely, 2^259645948 is an apocalyptic number.

It is an amenable number.

259645948 is a deficient number, since it is larger than the sum of its proper divisors (208442036).

259645948 is a wasteful number, since it uses less digits than its factorization.

259645948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973 (or 8971 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 52.

The square root of 259645948 is about 16113.5330700626. The cubic root of 259645948 is about 637.9605882305.

The spelling of 259645948 in words is "two hundred fifty-nine million, six hundred forty-five thousand, nine hundred forty-eight".