247508012 has 6 divisors (see below), whose sum is σ = 433139028. Its totient is φ = 123754004.

The previous prime is 247507993. The next prime is 247508017. The reversal of 247508012 is 210805742.

247508012 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247508012² = 122520432008384288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247508017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30938498 + ... + 30938505.

It is an arithmetic number, because the mean of its divisors is an integer number (72189838).

Almost surely, 2^247508012 is an apocalyptic number.

It is an amenable number.

247508012 is a deficient number, since it is larger than the sum of its proper divisors (185631016).

247508012 is a wasteful number, since it uses less digits than its factorization.

247508012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61877007 (or 61877005 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 247508012 is about 15732.3873585670. The cubic root of 247508012 is about 627.8603926488.

The spelling of 247508012 in words is "two hundred forty-seven million, five hundred eight thousand, twelve".