698870201 has 2 divisors, whose sum is σ = 698870202. Its totient is φ = 698870200.

The previous prime is 698870173. The next prime is 698870239. The reversal of 698870201 is 102078896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 608904976 + 89965225 = 24676^2 + 9485^2 .

It is a cyclic number.

It is not a de Polignac number, because 698870201 - 2²² = 694675897 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (698875201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349435100 + 349435101.

It is an arithmetic number, because the mean of its divisors is an integer number (349435101).

Almost surely, 2^698870201 is an apocalyptic number.

It is an amenable number.

698870201 is a deficient number, since it is larger than the sum of its proper divisors (1).

698870201 is an equidigital number, since it uses as much as digits as its factorization.

698870201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 41.

The square root of 698870201 is about 26436.1532943051. The cubic root of 698870201 is about 887.4260525838.

The spelling of 698870201 in words is "six hundred ninety-eight million, eight hundred seventy thousand, two hundred one".