705049 has 4 divisors (see below), whose sum is σ = 707940. Its totient is φ = 702160.

The previous prime is 705043. The next prime is 705053. The reversal of 705049 is 940507.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 940507 = 281 ⋅3347.

It can be written as a sum of positive squares in 2 ways, for example, as 291600 + 413449 = 540^2 + 643^2 .

It is a cyclic number.

It is not a de Polignac number, because 705049 - 2⁵ = 705017 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (705043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1042 + ... + 1579.

It is an arithmetic number, because the mean of its divisors is an integer number (176985).

2⁷⁰⁵⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

705049 is a deficient number, since it is larger than the sum of its proper divisors (2891).

705049 is a wasteful number, since it uses less digits than its factorization.

705049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2890.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 705049 is about 839.6719597557. The cubic root of 705049 is about 89.0033664510.

The spelling of 705049 in words is "seven hundred five thousand, forty-nine".