259672399 has 32 divisors (see below), whose sum is σ = 332107776. Its totient is φ = 197890560.

The previous prime is 259672397. The next prime is 259672417. The reversal of 259672399 is 993276952.

It is not a de Polignac number, because 259672399 - 2¹ = 259672397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259672397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157809 + ... + 159445.

It is an arithmetic number, because the mean of its divisors is an integer number (10378368).

Almost surely, 2^259672399 is an apocalyptic number.

259672399 is a deficient number, since it is larger than the sum of its proper divisors (72435377).

259672399 is a wasteful number, since it uses less digits than its factorization.

259672399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1735.

The product of its digits is 1837080, while the sum is 52.

The square root of 259672399 is about 16114.3538188784. The cubic root of 259672399 is about 637.9822512202.

The spelling of 259672399 in words is "two hundred fifty-nine million, six hundred seventy-two thousand, three hundred ninety-nine".