705249 has 12 divisors (see below), whose sum is σ = 1063296. Its totient is φ = 449592.

The previous prime is 705247. The next prime is 705259. The reversal of 705249 is 942507.

It is not a de Polignac number, because 705249 - 2¹ = 705247 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (705247) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1497 + ... + 1910.

It is an arithmetic number, because the mean of its divisors is an integer number (88608).

2⁷⁰⁵²⁴⁹ is an apocalyptic number.

It is an amenable number.

705249 is a deficient number, since it is larger than the sum of its proper divisors (358047).

705249 is a wasteful number, since it uses less digits than its factorization.

705249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3436 (or 3433 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 705249 is about 839.7910454393. The cubic root of 705249 is about 89.0117814644.

The spelling of 705249 in words is "seven hundred five thousand, two hundred forty-nine".