254400225 has 24 divisors (see below), whose sum is σ = 421065312. Its totient is φ = 135532800.

The previous prime is 254400193. The next prime is 254400227. The reversal of 254400225 is 522004452.

It is a happy number.

It is not a de Polignac number, because 254400225 - 2⁵ = 254400193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 254400195 and 254400204.

It is not an unprimeable number, because it can be changed into a prime (254400227) 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, 134889 + ... + 136761.

It is an arithmetic number, because the mean of its divisors is an integer number (17544388).

Almost surely, 2^254400225 is an apocalyptic number.

254400225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

254400225 is a deficient number, since it is larger than the sum of its proper divisors (166665087).

254400225 is a wasteful number, since it uses less digits than its factorization.

254400225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3697 (or 3692 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 254400225 is about 15949.9286832261. The cubic root of 254400225 is about 633.6350078662.

Adding to 254400225 its reverse (522004452), we get a palindrome (776404677).

The spelling of 254400225 in words is "two hundred fifty-four million, four hundred thousand, two hundred twenty-five".