25041420 has 96 divisors (see below), whose sum is σ = 79027200. Its totient is φ = 6581952.

The previous prime is 25041407. The next prime is 25041427. The reversal of 25041420 is 2414052.

25041420 is a `hidden beast` number, since 250 + 414 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 25041393 and 25041402.

It is not an unprimeable number, because it can be changed into a prime (25041427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42367 + ... + 42953.

It is an arithmetic number, because the mean of its divisors is an integer number (823200).

Almost surely, 2^25041420 is an apocalyptic number.

25041420 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 25041420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39513600).

25041420 is an abundant number, since it is smaller than the sum of its proper divisors (53985780).

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

25041420 is a wasteful number, since it uses less digits than its factorization.

25041420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 25041420 is about 5004.1402858033. The cubic root of 25041420 is about 292.5631684741.

Adding to 25041420 its reverse (2414052), we get a palindrome (27455472).

The spelling of 25041420 in words is "twenty-five million, forty-one thousand, four hundred twenty".