694580941 has 2 divisors, whose sum is σ = 694580942. Its totient is φ = 694580940.

The previous prime is 694580921. The next prime is 694580969. The reversal of 694580941 is 149085496.

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., 694111716 + 469225 = 26346^2 + 685^2 .

It is a cyclic number.

It is not a de Polignac number, because 694580941 - 2⁷ = 694580813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 694580891 and 694580900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (694580921) by changing a digit.

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 as a sum of consecutive naturals, namely, 347290470 + 347290471.

It is an arithmetic number, because the mean of its divisors is an integer number (347290471).

Almost surely, 2^694580941 is an apocalyptic number.

It is an amenable number.

694580941 is a deficient number, since it is larger than the sum of its proper divisors (1).

694580941 is an equidigital number, since it uses as much as digits as its factorization.

694580941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 46.

The square root of 694580941 is about 26354.9035475374. The cubic root of 694580941 is about 885.6068235450.

The spelling of 694580941 in words is "six hundred ninety-four million, five hundred eighty thousand, nine hundred forty-one".