5400225 has 18 divisors (see below), whose sum is σ = 9672806. Its totient is φ = 2880000.

The previous prime is 5400221. The next prime is 5400257. The reversal of 5400225 is 5220045.

It can be written as a sum of positive squares in 3 ways, for example, as 91809 + 5308416 = 303^2 + 2304^2 .

It is not a de Polignac number, because 5400225 - 2² = 5400221 is a prime.

It is an Ulam number.

It is a Duffinian number.

5400225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5400198 and 5400207.

It is not an unprimeable number, because it can be changed into a prime (5400221) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11776 + ... + 12225.

Almost surely, 2^5400225 is an apocalyptic number.

It is an amenable number.

5400225 is a deficient number, since it is larger than the sum of its proper divisors (4272581).

5400225 is a wasteful number, since it uses less digits than its factorization.

5400225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24017 (or 24009 counting only the distinct ones).

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

The square root of 5400225 is about 2323.8384195120. The cubic root of 5400225 is about 175.4435009404.

It can be divided in two parts, 5400 and 225, that added together give a square (5625 = 75²).

The spelling of 5400225 in words is "five million, four hundred thousand, two hundred twenty-five".