693149 has 2 divisors, whose sum is σ = 693150. Its totient is φ = 693148.

The previous prime is 693137. The next prime is 693157. The reversal of 693149 is 941396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 669124 + 24025 = 818^2 + 155^2 .

It is a cyclic number.

It is not a de Polignac number, because 693149 - 2⁸ = 692893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346574 + 346575.

It is an arithmetic number, because the mean of its divisors is an integer number (346575).

2⁶⁹³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

693149 is a deficient number, since it is larger than the sum of its proper divisors (1).

693149 is an equidigital number, since it uses as much as digits as its factorization.

693149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 32.

The square root of 693149 is about 832.5557038421. Note that the first 3 decimals coincide. The cubic root of 693149 is about 88.4997818842.

The spelling of 693149 in words is "six hundred ninety-three thousand, one hundred forty-nine".