25341220 has 48 divisors (see below), whose sum is σ = 57174768. Its totient is φ = 9400320.

The previous prime is 25341191. The next prime is 25341221. The reversal of 25341220 is 2214352.

It can be written as a sum of positive squares in 8 ways, for example, as 580644 + 24760576 = 762^2 + 4976^2 .

It is not an unprimeable number, because it can be changed into a prime (25341221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24310 + ... + 25330.

It is an arithmetic number, because the mean of its divisors is an integer number (1191141).

Almost surely, 2^25341220 is an apocalyptic number.

25341220 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 25341220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28587384).

25341220 is an abundant number, since it is smaller than the sum of its proper divisors (31833548).

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

25341220 is a wasteful number, since it uses less digits than its factorization.

25341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1120 (or 1118 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 25341220 is about 5034.0063567699. The cubic root of 25341220 is about 293.7260780278.

Adding to 25341220 its reverse (2214352), we get a palindrome (27555572).

The spelling of 25341220 in words is "twenty-five million, three hundred forty-one thousand, two hundred twenty".