4098816025 has 12 divisors (see below), whose sum is σ = 5381504892. Its totient is φ = 3086167040.

The previous prime is 4098816019. The next prime is 4098816031. The reversal of 4098816025 is 5206188904.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4098816019) and next prime (4098816031).

It can be written as a sum of positive squares in 6 ways, for example, as 117332224 + 3981483801 = 10832^2 + 63099^2 .

It is not a de Polignac number, because 4098816025 - 2³ = 4098816017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4821712 + ... + 4822561.

It is an arithmetic number, because the mean of its divisors is an integer number (448458741).

Almost surely, 2^4098816025 is an apocalyptic number.

It is an amenable number.

4098816025 is a deficient number, since it is larger than the sum of its proper divisors (1282688867).

4098816025 is a wasteful number, since it uses less digits than its factorization.

4098816025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9644300 (or 9644295 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 4098816025 is about 64021.9964152946. The cubic root of 4098816025 is about 1600.3665859247.

The spelling of 4098816025 in words is "four billion, ninety-eight million, eight hundred sixteen thousand, twenty-five".