247054530 has 32 divisors (see below), whose sum is σ = 624139200. Its totient is φ = 62413632.

The previous prime is 247054519. The next prime is 247054559. The reversal of 247054530 is 35450742.

It is a super-2 number, since 2×247054530² = 122071881587041800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216145 + ... + 217284.

It is an arithmetic number, because the mean of its divisors is an integer number (19504350).

Almost surely, 2^247054530 is an apocalyptic number.

247054530 is an abundant number, since it is smaller than the sum of its proper divisors (377084670).

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

247054530 is a wasteful number, since it uses less digits than its factorization.

247054530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433458.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 247054530 is about 15717.9683801692. The cubic root of 247054530 is about 627.4767047960.

The spelling of 247054530 in words is "two hundred forty-seven million, fifty-four thousand, five hundred thirty".