247341427 has 2 divisors, whose sum is σ = 247341428. Its totient is φ = 247341426.

The previous prime is 247341403. The next prime is 247341431. The reversal of 247341427 is 724143742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 247341427 - 2⁷ = 247341299 is a prime.

It is a super-2 number, since 2×247341427² = 122355563020792658, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 247341392 and 247341401.

It is not a weakly prime, because it can be changed into another prime (247341527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123670713 + 123670714.

It is an arithmetic number, because the mean of its divisors is an integer number (123670714).

Almost surely, 2^247341427 is an apocalyptic number.

247341427 is a deficient number, since it is larger than the sum of its proper divisors (1).

247341427 is an equidigital number, since it uses as much as digits as its factorization.

247341427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 34.

The square root of 247341427 is about 15727.0921342758. The cubic root of 247341427 is about 627.7195007821.

The spelling of 247341427 in words is "two hundred forty-seven million, three hundred forty-one thousand, four hundred twenty-seven".