25053620 has 12 divisors (see below), whose sum is σ = 52612644. Its totient is φ = 10021440.

The previous prime is 25053607. The next prime is 25053629. The reversal of 25053620 is 2635052.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18438436 + 6615184 = 4294^2 + 2572^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25053629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 626321 + ... + 626360.

It is an arithmetic number, because the mean of its divisors is an integer number (4384387).

Almost surely, 2^25053620 is an apocalyptic number.

25053620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25053620 is an abundant number, since it is smaller than the sum of its proper divisors (27559024).

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

25053620 is a wasteful number, since it uses less digits than its factorization.

25053620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252690 (or 1252688 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 25053620 is about 5005.3591279747. The cubic root of 25053620 is about 292.6106723187.

Adding to 25053620 its reverse (2635052), we get a palindrome (27688672).

The spelling of 25053620 in words is "twenty-five million, fifty-three thousand, six hundred twenty".