283048621 has 2 divisors, whose sum is σ = 283048622. Its totient is φ = 283048620.

The previous prime is 283048573. The next prime is 283048627. The reversal of 283048621 is 126840382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 249292521 + 33756100 = 15789^2 + 5810^2 .

It is a cyclic number.

It is not a de Polignac number, because 283048621 - 2⁹ = 283048109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (283048627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141524310 + 141524311.

It is an arithmetic number, because the mean of its divisors is an integer number (141524311).

Almost surely, 2^283048621 is an apocalyptic number.

It is an amenable number.

283048621 is a deficient number, since it is larger than the sum of its proper divisors (1).

283048621 is an equidigital number, since it uses as much as digits as its factorization.

283048621 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 283048621 is about 16824.0488884216. The cubic root of 283048621 is about 656.5790397588.

The spelling of 283048621 in words is "two hundred eighty-three million, forty-eight thousand, six hundred twenty-one".