798500401 has 2 divisors, whose sum is σ = 798500402. Its totient is φ = 798500400.

The previous prime is 798500399. The next prime is 798500419. The reversal of 798500401 is 104005897.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 747749025 + 50751376 = 27345^2 + 7124^2 .

It is a cyclic number.

It is not a de Polignac number, because 798500401 - 2¹ = 798500399 is a prime.

Together with 798500399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (798500501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399250200 + 399250201.

It is an arithmetic number, because the mean of its divisors is an integer number (399250201).

Almost surely, 2^798500401 is an apocalyptic number.

It is an amenable number.

798500401 is a deficient number, since it is larger than the sum of its proper divisors (1).

798500401 is an equidigital number, since it uses as much as digits as its factorization.

798500401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 798500401 is about 28257.7493972892. The cubic root of 798500401 is about 927.7373604166.

The spelling of 798500401 in words is "seven hundred ninety-eight million, five hundred thousand, four hundred one".