259138875 has 16 divisors (see below), whose sum is σ = 431207712. Its totient is φ = 138207200.

The previous prime is 259138849. The next prime is 259138877. The reversal of 259138875 is 578831952.

It is not a de Polignac number, because 259138875 - 2⁶ = 259138811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (259138877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345144 + ... + 345893.

It is an arithmetic number, because the mean of its divisors is an integer number (26950482).

Almost surely, 2^259138875 is an apocalyptic number.

259138875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

259138875 is a deficient number, since it is larger than the sum of its proper divisors (172068837).

259138875 is an equidigital number, since it uses as much as digits as its factorization.

259138875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691055 (or 691045 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The square root of 259138875 is about 16097.7909975251. The cubic root of 259138875 is about 637.5450179666.

The spelling of 259138875 in words is "two hundred fifty-nine million, one hundred thirty-eight thousand, eight hundred seventy-five".