25485498 has 48 divisors (see below), whose sum is σ = 59510880. Its totient is φ = 7856352.

The previous prime is 25485497. The next prime is 25485529. The reversal of 25485498 is 89458452.

Its product of digits (460800) is a multiple of the sum of its prime divisors (1800).

It is not an unprimeable number, because it can be changed into a prime (25485491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13840 + ... + 15572.

It is an arithmetic number, because the mean of its divisors is an integer number (1239810).

Almost surely, 2^25485498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25485498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29755440).

25485498 is an abundant number, since it is smaller than the sum of its proper divisors (34025382).

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

25485498 is a wasteful number, since it uses less digits than its factorization.

25485498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803 (or 1800 counting only the distinct ones).

The product of its digits is 460800, while the sum is 45.

The square root of 25485498 is about 5048.3163530032. The cubic root of 25485498 is about 294.2824579623.

The spelling of 25485498 in words is "twenty-five million, four hundred eighty-five thousand, four hundred ninety-eight".