4525400 has 96 divisors (see below), whose sum is σ = 12253680. Its totient is φ = 1548800.

The previous prime is 4525399. The next prime is 4525427. The reversal of 4525400 is 45254.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 266192 + ... + 266208.

Almost surely, 2^4525400 is an apocalyptic number.

4525400 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 4525400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6126840).

4525400 is an abundant number, since it is smaller than the sum of its proper divisors (7728280).

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

4525400 is a wasteful number, since it uses less digits than its factorization.

4525400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66 (or 35 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4525400 is about 2127.2987566395. The cubic root of 4525400 is about 165.4064055825.

Multiplying 4525400 by its reverse (45254), we get a square (204792451600 = 452540²).

4525400 divided by its reverse (45254) gives a square (100 = 10²).

The spelling of 4525400 in words is "four million, five hundred twenty-five thousand, four hundred".