25598496 has 96 divisors (see below), whose sum is σ = 83801088. Its totient is φ = 6647040.

The previous prime is 25598479. The next prime is 25598509. The reversal of 25598496 is 69489552.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5661 + ... + 9123.

It is an arithmetic number, because the mean of its divisors is an integer number (872928).

Almost surely, 2^25598496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25598496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41900544).

25598496 is an abundant number, since it is smaller than the sum of its proper divisors (58202592).

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

25598496 is a wasteful number, since it uses less digits than its factorization.

25598496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3494 (or 3486 counting only the distinct ones).

The product of its digits is 777600, while the sum is 48.

The square root of 25598496 is about 5059.4956270364. The cubic root of 25598496 is about 294.7167481289.

The spelling of 25598496 in words is "twenty-five million, five hundred ninety-eight thousand, four hundred ninety-six".