247042801 has 8 divisors (see below), whose sum is σ = 250032104. Its totient is φ = 244062720.

The previous prime is 247042739. The next prime is 247042811. The reversal of 247042801 is 108240742.

It can be written as a sum of positive squares in 4 ways, for example, as 144000000 + 103042801 = 12000^2 + 10151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 247042801 - 2¹³ = 247034609 is a prime.

It is a super-2 number, since 2×247042801² = 122060291051851202, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 247042801.

It is not an unprimeable number, because it can be changed into a prime (247042811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62191 + ... + 66043.

It is an arithmetic number, because the mean of its divisors is an integer number (31254013).

Almost surely, 2^247042801 is an apocalyptic number.

It is an amenable number.

247042801 is a deficient number, since it is larger than the sum of its proper divisors (2989303).

247042801 is an equidigital number, since it uses as much as digits as its factorization.

247042801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4611.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 247042801 is about 15717.5952677246. The cubic root of 247042801 is about 627.4667747470.

The spelling of 247042801 in words is "two hundred forty-seven million, forty-two thousand, eight hundred one".