259420782 has 16 divisors (see below), whose sum is σ = 549361872. Its totient is φ = 81386880.

The previous prime is 259420781. The next prime is 259420783. The reversal of 259420782 is 287024952.

It is an interprime number because it is at equal distance from previous prime (259420781) and next prime (259420783).

It is a self number, because there is not a number n which added to its sum of digits gives 259420782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (259420781) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1271569 + ... + 1271772.

It is an arithmetic number, because the mean of its divisors is an integer number (34335117).

Almost surely, 2^259420782 is an apocalyptic number.

259420782 is an abundant number, since it is smaller than the sum of its proper divisors (289941090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

259420782 is a wasteful number, since it uses less digits than its factorization.

259420782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2543363.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 259420782 is about 16106.5446946265. The cubic root of 259420782 is about 637.7761209091.

The spelling of 259420782 in words is "two hundred fifty-nine million, four hundred twenty thousand, seven hundred eighty-two".