247472359 has 6 divisors (see below), whose sum is σ = 261183120. Its totient is φ = 234447156.

The previous prime is 247472299. The next prime is 247472377. The reversal of 247472359 is 953274742.

It is not a de Polignac number, because 247472359 - 2¹³ = 247464167 is a prime.

It is a super-2 number, since 2×247472359² = 122485136938049762, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247470359) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 342399 + ... + 343120.

It is an arithmetic number, because the mean of its divisors is an integer number (43530520).

Almost surely, 2^247472359 is an apocalyptic number.

247472359 is a deficient number, since it is larger than the sum of its proper divisors (13710761).

247472359 is an equidigital number, since it uses as much as digits as its factorization.

247472359 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685557 (or 685538 counting only the distinct ones).

The product of its digits is 423360, while the sum is 43.

The square root of 247472359 is about 15731.2542093757. The cubic root of 247472359 is about 627.8302438853.

The spelling of 247472359 in words is "two hundred forty-seven million, four hundred seventy-two thousand, three hundred fifty-nine".