1025598 has 16 divisors (see below), whose sum is σ = 2344320. Its totient is φ = 293016.

The previous prime is 1025579. The next prime is 1025611. The reversal of 1025598 is 8955201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12168 + ... + 12251.

It is an arithmetic number, because the mean of its divisors is an integer number (146520).

2^1025598 is an apocalyptic number.

1025598 is an abundant number, since it is smaller than the sum of its proper divisors (1318722).

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

1025598 is a wasteful number, since it uses less digits than its factorization.

1025598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24431.

The product of its (nonzero) digits is 3600, while the sum is 30.

The square root of 1025598 is about 1012.7181246527. The cubic root of 1025598 is about 100.8460878310.

The spelling of 1025598 in words is "one million, twenty-five thousand, five hundred ninety-eight".