259001478 has 24 divisors (see below), whose sum is σ = 561646800. Its totient is φ = 86260464.

The previous prime is 259001461. The next prime is 259001503. The reversal of 259001478 is 874100952.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18288 + ... + 29196.

It is an arithmetic number, because the mean of its divisors is an integer number (23401950).

Almost surely, 2^259001478 is an apocalyptic number.

259001478 is an abundant number, since it is smaller than the sum of its proper divisors (302645322).

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

259001478 is a wasteful number, since it uses less digits than its factorization.

259001478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12236 (or 12233 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 259001478 is about 16093.5228585913. The cubic root of 259001478 is about 637.4323213043.

The spelling of 259001478 in words is "two hundred fifty-nine million, one thousand, four hundred seventy-eight".