4820913225 has 72 divisors (see below), whose sum is σ = 9137912160. Its totient is φ = 2422794240.

The previous prime is 4820913221. The next prime is 4820913233. The reversal of 4820913225 is 5223190284.

It is a happy number.

It is not a de Polignac number, because 4820913225 - 2² = 4820913221 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4820913225.

It is not an unprimeable number, because it can be changed into a prime (4820913221) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 822154 + ... + 827996.

Almost surely, 2^4820913225 is an apocalyptic number.

4820913225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4820913225 is a deficient number, since it is larger than the sum of its proper divisors (4316998935).

4820913225 is a wasteful number, since it uses less digits than its factorization.

4820913225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6071 (or 6063 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 4820913225 is about 69432.7964653592. The cubic root of 4820913225 is about 1689.3116280799.

The spelling of 4820913225 in words is "four billion, eight hundred twenty million, nine hundred thirteen thousand, two hundred twenty-five".