259219431 has 6 divisors (see below), whose sum is σ = 374428080. Its totient is φ = 172812948.

The previous prime is 259219421. The next prime is 259219463. The reversal of 259219431 is 134912952.

259219431 is a `hidden beast` number, since 2 + 5 + 9 + 219 + 431 = 666.

It is not a de Polignac number, because 259219431 - 2¹⁴ = 259203047 is a prime.

It is a super-2 number, since 2×259219431² = 134389426815927522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259219421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14401071 + ... + 14401088.

It is an arithmetic number, because the mean of its divisors is an integer number (62404680).

Almost surely, 2^259219431 is an apocalyptic number.

259219431 is a deficient number, since it is larger than the sum of its proper divisors (115208649).

259219431 is a wasteful number, since it uses less digits than its factorization.

259219431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28802165 (or 28802162 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 259219431 is about 16100.2928855347. The cubic root of 259219431 is about 637.6110736104.

The spelling of 259219431 in words is "two hundred fifty-nine million, two hundred nineteen thousand, four hundred thirty-one".