247117452 has 12 divisors (see below), whose sum is σ = 576607416. Its totient is φ = 82372480.

The previous prime is 247117447. The next prime is 247117459. The reversal of 247117452 is 254711742.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×247117452² = 122134070165944608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247117459) 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, 10296549 + ... + 10296572.

It is an arithmetic number, because the mean of its divisors is an integer number (48050618).

Almost surely, 2^247117452 is an apocalyptic number.

It is an amenable number.

247117452 is an abundant number, since it is smaller than the sum of its proper divisors (329489964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247117452 is a wasteful number, since it uses less digits than its factorization.

247117452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20593128 (or 20593126 counting only the distinct ones).

The product of its digits is 15680, while the sum is 33.

The square root of 247117452 is about 15719.9698472993. The cubic root of 247117452 is about 627.5299706854.

The spelling of 247117452 in words is "two hundred forty-seven million, one hundred seventeen thousand, four hundred fifty-two".