283485057 has 4 divisors (see below), whose sum is σ = 377980080. Its totient is φ = 188990036.

The previous prime is 283485043. The next prime is 283485077. The reversal of 283485057 is 750584382.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-283485057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (283485017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47247507 + ... + 47247512.

It is an arithmetic number, because the mean of its divisors is an integer number (94495020).

Almost surely, 2^283485057 is an apocalyptic number.

It is an amenable number.

283485057 is a deficient number, since it is larger than the sum of its proper divisors (94495023).

283485057 is an equidigital number, since it uses as much as digits as its factorization.

283485057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94495022.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 283485057 is about 16837.0144918866. The cubic root of 283485057 is about 656.9163287778.

The spelling of 283485057 in words is "two hundred eighty-three million, four hundred eighty-five thousand, fifty-seven".