283749313 has 2 divisors, whose sum is σ = 283749314. Its totient is φ = 283749312.

The previous prime is 283749269. The next prime is 283749371. The reversal of 283749313 is 313947382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283349889 + 399424 = 16833^2 + 632^2 .

It is a cyclic number.

It is not a de Polignac number, because 283749313 - 2¹³ = 283741121 is a prime.

It is not a weakly prime, because it can be changed into another prime (283749373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141874656 + 141874657.

It is an arithmetic number, because the mean of its divisors is an integer number (141874657).

Almost surely, 2^283749313 is an apocalyptic number.

It is an amenable number.

283749313 is a deficient number, since it is larger than the sum of its proper divisors (1).

283749313 is an equidigital number, since it uses as much as digits as its factorization.

283749313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 108864, while the sum is 40.

The square root of 283749313 is about 16844.8601359584. The cubic root of 283749313 is about 657.1203844124.

The spelling of 283749313 in words is "two hundred eighty-three million, seven hundred forty-nine thousand, three hundred thirteen".