705403561 has 8 divisors (see below), whose sum is σ = 715260800. Its totient is φ = 695569680.

The previous prime is 705403541. The next prime is 705403571. The reversal of 705403561 is 165304507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 705403561 - 2⁵ = 705403529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (705403541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60106 + ... + 70876.

It is an arithmetic number, because the mean of its divisors is an integer number (89407600).

Almost surely, 2^705403561 is an apocalyptic number.

It is an amenable number.

705403561 is a deficient number, since it is larger than the sum of its proper divisors (9857239).

705403561 is a wasteful number, since it uses less digits than its factorization.

705403561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11679.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 705403561 is about 26559.4345007570. The cubic root of 705403561 is about 890.1828353908.

The spelling of 705403561 in words is "seven hundred five million, four hundred three thousand, five hundred sixty-one".