247213063 has 4 divisors (see below), whose sum is σ = 252962248. Its totient is φ = 241463880.

The previous prime is 247213037. The next prime is 247213073. The reversal of 247213063 is 360312742.

247213063 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247213063 is a prime.

It is a super-2 number, since 2×247213063² = 122228597035683938, 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 (247213013) 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, 2874528 + ... + 2874613.

It is an arithmetic number, because the mean of its divisors is an integer number (63240562).

Almost surely, 2^247213063 is an apocalyptic number.

247213063 is a deficient number, since it is larger than the sum of its proper divisors (5749185).

247213063 is an equidigital number, since it uses as much as digits as its factorization.

247213063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5749184.

The product of its (nonzero) digits is 6048, while the sum is 28.

The square root of 247213063 is about 15723.0106213791. The cubic root of 247213063 is about 627.6108917633.

The spelling of 247213063 in words is "two hundred forty-seven million, two hundred thirteen thousand, sixty-three".