283146397 has 2 divisors, whose sum is σ = 283146398. Its totient is φ = 283146396.

The previous prime is 283146301. The next prime is 283146421. The reversal of 283146397 is 793641382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212401476 + 70744921 = 14574^2 + 8411^2 .

It is a cyclic number.

It is not a de Polignac number, because 283146397 - 2¹¹ = 283144349 is a prime.

It is equal to p_15387793 and since 283146397 and 15387793 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (283140397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141573198 + 141573199.

It is an arithmetic number, because the mean of its divisors is an integer number (141573199).

Almost surely, 2^283146397 is an apocalyptic number.

It is an amenable number.

283146397 is a deficient number, since it is larger than the sum of its proper divisors (1).

283146397 is an equidigital number, since it uses as much as digits as its factorization.

283146397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 283146397 is about 16826.9544778608. The cubic root of 283146397 is about 656.6546336989.

The spelling of 283146397 in words is "two hundred eighty-three million, one hundred forty-six thousand, three hundred ninety-seven".