259125644 has 6 divisors (see below), whose sum is σ = 453469884. Its totient is φ = 129562820.

The previous prime is 259125589. The next prime is 259125677. The reversal of 259125644 is 446521952.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 259125598 and 259125607.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32390702 + ... + 32390709.

It is an arithmetic number, because the mean of its divisors is an integer number (75578314).

Almost surely, 2^259125644 is an apocalyptic number.

It is an amenable number.

259125644 is a deficient number, since it is larger than the sum of its proper divisors (194344240).

259125644 is a wasteful number, since it uses less digits than its factorization.

259125644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64781415 (or 64781413 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 259125644 is about 16097.3800352728. The cubic root of 259125644 is about 637.5341672832.

The spelling of 259125644 in words is "two hundred fifty-nine million, one hundred twenty-five thousand, six hundred forty-four".