25054020 has 72 divisors (see below), whose sum is σ = 76516440. Its totient is φ = 6635520.

The previous prime is 25054019. The next prime is 25054031. The reversal of 25054020 is 2045052.

It can be written as a sum of positive squares in 4 ways, for example, as 133956 + 24920064 = 366^2 + 4992^2 .

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 = 25053984 and 25054002.

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 23 ways as a sum of consecutive naturals, for example, 32196 + ... + 32964.

Almost surely, 2^25054020 is an apocalyptic number.

25054020 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 25054020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38258220).

25054020 is an abundant number, since it is smaller than the sum of its proper divisors (51462420).

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

25054020 is a wasteful number, since it uses less digits than its factorization.

25054020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 960 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 25054020 is about 5005.3990849881. The cubic root of 25054020 is about 292.6122295607.

Adding to 25054020 its reverse (2045052), we get a palindrome (27099072).

The spelling of 25054020 in words is "twenty-five million, fifty-four thousand, twenty".