283906481 has 2 divisors, whose sum is σ = 283906482. Its totient is φ = 283906480.

The previous prime is 283906453. The next prime is 283906489. The reversal of 283906481 is 184609382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 187690000 + 96216481 = 13700^2 + 9809^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283906481 is a prime.

It is a super-2 number, since 2×283906481² = 161205779907606722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (283906489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141953240 + 141953241.

It is an arithmetic number, because the mean of its divisors is an integer number (141953241).

Almost surely, 2^283906481 is an apocalyptic number.

It is an amenable number.

283906481 is a deficient number, since it is larger than the sum of its proper divisors (1).

283906481 is an equidigital number, since it uses as much as digits as its factorization.

283906481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 283906481 is about 16849.5246520488. The cubic root of 283906481 is about 657.2416877709.

The spelling of 283906481 in words is "two hundred eighty-three million, nine hundred six thousand, four hundred eighty-one".