247116532 has 18 divisors (see below), whose sum is σ = 468279798. Its totient is φ = 114053472.

The previous prime is 247116523. The next prime is 247116533. The reversal of 247116532 is 235611742.

It can be written as a sum of positive squares in 3 ways, for example, as 19589476 + 227527056 = 4426^2 + 15084^2 .

It is a super-2 number, since 2×247116532² = 122133160775414048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247116494 and 247116503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247116533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 182103 + ... + 183454.

Almost surely, 2^247116532 is an apocalyptic number.

It is an amenable number.

247116532 is a deficient number, since it is larger than the sum of its proper divisors (221163266).

247116532 is a wasteful number, since it uses less digits than its factorization.

247116532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 365587 (or 365572 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 247116532 is about 15719.9405851294. The cubic root of 247116532 is about 627.5291919352.

The spelling of 247116532 in words is "two hundred forty-seven million, one hundred sixteen thousand, five hundred thirty-two".