25473000 has 128 divisors (see below), whose sum is σ = 90904320. Its totient is φ = 5817600.

The previous prime is 25472981. The next prime is 25473017. The reversal of 25473000 is 37452.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 31 ways as a sum of consecutive naturals, for example, 20394 + ... + 21606.

It is an arithmetic number, because the mean of its divisors is an integer number (710190).

Almost surely, 2^25473000 is an apocalyptic number.

25473000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25473000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45452160).

25473000 is an abundant number, since it is smaller than the sum of its proper divisors (65431320).

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

25473000 is a wasteful number, since it uses less digits than its factorization.

25473000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 1230 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 25473000 is about 5047.0783627758. The cubic root of 25473000 is about 294.2343450638.

The spelling of 25473000 in words is "twenty-five million, four hundred seventy-three thousand".