704251 has 2 divisors, whose sum is σ = 704252. Its totient is φ = 704250.

The previous prime is 704243. The next prime is 704269. The reversal of 704251 is 152407.

It is a weak prime.

It is an emirp because it is prime and its reverse (152407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 704251 - 2³ = 704243 is a prime.

704251 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (704281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352125 + 352126.

It is an arithmetic number, because the mean of its divisors is an integer number (352126).

2⁷⁰⁴²⁵¹ is an apocalyptic number.

704251 is a deficient number, since it is larger than the sum of its proper divisors (1).

704251 is an equidigital number, since it uses as much as digits as its factorization.

704251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 704251 is about 839.1966396501. The cubic root of 704251 is about 88.9697746962.

Adding to 704251 its reverse (152407), we get a palindrome (856658).

The spelling of 704251 in words is "seven hundred four thousand, two hundred fifty-one".