4525421200 has 120 divisors (see below), whose sum is σ = 11127457440. Its totient is φ = 1768166400.

The previous prime is 4525421191. The next prime is 4525421209. The reversal of 4525421200 is 21245254.

It is an interprime number because it is at equal distance from previous prime (4525421191) and next prime (4525421209).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (4525421209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3510156 + ... + 3511444.

It is an arithmetic number, because the mean of its divisors is an integer number (92728812).

Almost surely, 2^4525421200 is an apocalyptic number.

4525421200 is a gapful number since it is divisible by the number (40) 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 4525421200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5563728720).

4525421200 is an abundant number, since it is smaller than the sum of its proper divisors (6602036240).

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

4525421200 is a wasteful number, since it uses less digits than its factorization.

4525421200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505 (or 1494 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 4525421200 is about 67271.2509174610. The cubic root of 4525421200 is about 1654.0666387355.

Adding to 4525421200 its reverse (21245254), we get a palindrome (4546666454).

The spelling of 4525421200 in words is "four billion, five hundred twenty-five million, four hundred twenty-one thousand, two hundred".