247475063 has 4 divisors (see below), whose sum is σ = 269972808. Its totient is φ = 224977320.

The previous prime is 247475023. The next prime is 247475083. The reversal of 247475063 is 360574742.

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

It is a cyclic number.

It is not a de Polignac number, because 247475063 - 2⁶ = 247474999 is a prime.

It is a super-2 number, since 2×247475063² = 122487813613707938, 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 (247475003) 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, 11248856 + ... + 11248877.

It is an arithmetic number, because the mean of its divisors is an integer number (67493202).

Almost surely, 2^247475063 is an apocalyptic number.

247475063 is a deficient number, since it is larger than the sum of its proper divisors (22497745).

247475063 is a wasteful number, since it uses less digits than its factorization.

247475063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22497744.

The product of its (nonzero) digits is 141120, while the sum is 38.

The square root of 247475063 is about 15731.3401527015. The cubic root of 247475063 is about 627.8325305337.

The spelling of 247475063 in words is "two hundred forty-seven million, four hundred seventy-five thousand, sixty-three".