705403 has 2 divisors, whose sum is σ = 705404. Its totient is φ = 705402.

The previous prime is 705389. The next prime is 705409. The reversal of 705403 is 304507.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 705403 - 2¹³ = 697211 is a prime.

It is not a weakly prime, because it can be changed into another prime (705409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352701 + 352702.

It is an arithmetic number, because the mean of its divisors is an integer number (352702).

2⁷⁰⁵⁴⁰³ is an apocalyptic number.

705403 is a deficient number, since it is larger than the sum of its proper divisors (1).

705403 is an equidigital number, since it uses as much as digits as its factorization.

705403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 705403 is about 839.8827299094. The cubic root of 705403 is about 89.0182599406.

The spelling of 705403 in words is "seven hundred five thousand, four hundred three".