247385041 has 2 divisors, whose sum is σ = 247385042. Its totient is φ = 247385040.

The previous prime is 247385027. The next prime is 247385093. The reversal of 247385041 is 140583742.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 227135041 + 20250000 = 15071^2 + 4500^2 .

It is a cyclic number.

It is not a de Polignac number, because 247385041 - 2⁵ = 247385009 is a prime.

It is a super-2 number, since 2×247385041² = 122398717021143362, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247384988 and 247385006.

It is not a weakly prime, because it can be changed into another prime (247385011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123692520 + 123692521.

It is an arithmetic number, because the mean of its divisors is an integer number (123692521).

Almost surely, 2^247385041 is an apocalyptic number.

It is an amenable number.

247385041 is a deficient number, since it is larger than the sum of its proper divisors (1).

247385041 is an equidigital number, since it uses as much as digits as its factorization.

247385041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 247385041 is about 15728.4786613328. The cubic root of 247385041 is about 627.7563941156.

The spelling of 247385041 in words is "two hundred forty-seven million, three hundred eighty-five thousand, forty-one".