798420025 has 24 divisors (see below), whose sum is σ = 1102976280. Its totient is φ = 569264640.

The previous prime is 798420023. The next prime is 798420041. The reversal of 798420025 is 520024897.

It can be written as a sum of positive squares in 12 ways, for example, as 225870841 + 572549184 = 15029^2 + 23928^2 .

It is not a de Polignac number, because 798420025 - 2¹ = 798420023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (798420023) 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, 32932 + ... + 51781.

It is an arithmetic number, because the mean of its divisors is an integer number (45957345).

Almost surely, 2^798420025 is an apocalyptic number.

It is an amenable number.

798420025 is a deficient number, since it is larger than the sum of its proper divisors (304556255).

798420025 is a wasteful number, since it uses less digits than its factorization.

798420025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84765 (or 84760 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 798420025 is about 28256.3271675566. The cubic root of 798420025 is about 927.7062310980.

The spelling of 798420025 in words is "seven hundred ninety-eight million, four hundred twenty thousand, twenty-five".