230817485 has 4 divisors (see below), whose sum is σ = 276980988. Its totient is φ = 184653984.

The previous prime is 230817469. The next prime is 230817487. The reversal of 230817485 is 584718032.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 153834409 + 76983076 = 12403^2 + 8774^2 .

It is a cyclic number.

It is not a de Polignac number, because 230817485 - 2⁴ = 230817469 is a prime.

It is a super-2 number, since 2×230817485² = 106553422763450450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230817487) 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, 23081744 + ... + 23081753.

It is an arithmetic number, because the mean of its divisors is an integer number (69245247).

Almost surely, 2^230817485 is an apocalyptic number.

It is an amenable number.

230817485 is a deficient number, since it is larger than the sum of its proper divisors (46163503).

230817485 is an equidigital number, since it uses as much as digits as its factorization.

230817485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46163502.

The product of its (nonzero) digits is 53760, while the sum is 38.

The square root of 230817485 is about 15192.6786644094. The cubic root of 230817485 is about 613.4176033851.

The spelling of 230817485 in words is "two hundred thirty million, eight hundred seventeen thousand, four hundred eighty-five".