247752233 has 2 divisors, whose sum is σ = 247752234. Its totient is φ = 247752232.

The previous prime is 247752221. The next prime is 247752247. The reversal of 247752233 is 332257742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 239382784 + 8369449 = 15472^2 + 2893^2 .

It is a cyclic number.

It is not a de Polignac number, because 247752233 - 2¹⁰ = 247751209 is a prime.

It is a super-2 number, since 2×247752233² = 122762337912972578, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247752193 and 247752202.

It is not a weakly prime, because it can be changed into another prime (247752433) by changing a digit.

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 as a sum of consecutive naturals, namely, 123876116 + 123876117.

It is an arithmetic number, because the mean of its divisors is an integer number (123876117).

Almost surely, 2^247752233 is an apocalyptic number.

It is an amenable number.

247752233 is a deficient number, since it is larger than the sum of its proper divisors (1).

247752233 is an equidigital number, since it uses as much as digits as its factorization.

247752233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 35.

The square root of 247752233 is about 15740.1471721201. The cubic root of 247752233 is about 628.0668321439.

The spelling of 247752233 in words is "two hundred forty-seven million, seven hundred fifty-two thousand, two hundred thirty-three".