698814241 has 2 divisors, whose sum is σ = 698814242. Its totient is φ = 698814240.

The previous prime is 698814239. The next prime is 698814269. The reversal of 698814241 is 142418896.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 379119841 + 319694400 = 19471^2 + 17880^2 .

It is a cyclic number.

It is not a de Polignac number, because 698814241 - 2¹ = 698814239 is a prime.

Together with 698814239, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (698814211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 349407120 + 349407121.

It is an arithmetic number, because the mean of its divisors is an integer number (349407121).

Almost surely, 2^698814241 is an apocalyptic number.

It is an amenable number.

698814241 is a deficient number, since it is larger than the sum of its proper divisors (1).

698814241 is an equidigital number, since it uses as much as digits as its factorization.

698814241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 43.

The square root of 698814241 is about 26435.0948740495. The cubic root of 698814241 is about 887.4023659309.

The spelling of 698814241 in words is "six hundred ninety-eight million, eight hundred fourteen thousand, two hundred forty-one".