5423400225 has 48 divisors (see below), whose sum is σ = 9974113600. Its totient is φ = 2889250560.

The previous prime is 5423400221. The next prime is 5423400239. The reversal of 5423400225 is 5220043245.

It is a happy number.

It is not a de Polignac number, because 5423400225 - 2² = 5423400221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5423400221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 677094 + ... + 685056.

Almost surely, 2^5423400225 is an apocalyptic number.

It is an amenable number.

5423400225 is a deficient number, since it is larger than the sum of its proper divisors (4550713375).

5423400225 is a wasteful number, since it uses less digits than its factorization.

5423400225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8991 (or 8980 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 5423400225 is about 73643.7385322065. The cubic root of 5423400225 is about 1756.9411642806.

The spelling of 5423400225 in words is "five billion, four hundred twenty-three million, four hundred thousand, two hundred twenty-five".