247485633 has 8 divisors (see below), whose sum is σ = 330092928. Its totient is φ = 164934384.

The previous prime is 247485629. The next prime is 247485647. The reversal of 247485633 is 336584742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 247485633 - 2² = 247485629 is a prime.

It is a super-2 number, since 2×247485633² = 122498277082821378, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (247485233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2310 + ... + 22367.

It is an arithmetic number, because the mean of its divisors is an integer number (41261616).

Almost surely, 2^247485633 is an apocalyptic number.

It is an amenable number.

247485633 is a deficient number, since it is larger than the sum of its proper divisors (82607295).

247485633 is a wasteful number, since it uses less digits than its factorization.

247485633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28023.

The product of its digits is 483840, while the sum is 42.

The square root of 247485633 is about 15731.6761026917. The cubic root of 247485633 is about 627.8414689365.

It can be divided in two parts, 24748 and 5633, that added together give a triangular number (30381 = T₂₄₆).

The spelling of 247485633 in words is "two hundred forty-seven million, four hundred eighty-five thousand, six hundred thirty-three".