283403 has 2 divisors, whose sum is σ = 283404. Its totient is φ = 283402.

The previous prime is 283397. The next prime is 283411. The reversal of 283403 is 304382.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283403 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (283463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141701 + 141702.

It is an arithmetic number, because the mean of its divisors is an integer number (141702).

2²⁸³⁴⁰³ is an apocalyptic number.

283403 is a deficient number, since it is larger than the sum of its proper divisors (1).

283403 is an equidigital number, since it uses as much as digits as its factorization.

283403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 283403 is about 532.3560838386. The cubic root of 283403 is about 65.6852939446.

Adding to 283403 its reverse (304382), we get a palindrome (587785).

It can be divided in two parts, 283 and 403, that added together give a palindrome (686).

The spelling of 283403 in words is "two hundred eighty-three thousand, four hundred three".