247126463 has 2 divisors, whose sum is σ = 247126464. Its totient is φ = 247126462.

The previous prime is 247126427. The next prime is 247126469. The reversal of 247126463 is 364621742.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 247126463 - 2¹⁶ = 247060927 is a prime.

It is a super-2 number, since 2×247126463² = 122142977429780738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247126469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123563231 + 123563232.

It is an arithmetic number, because the mean of its divisors is an integer number (123563232).

Almost surely, 2^247126463 is an apocalyptic number.

247126463 is a deficient number, since it is larger than the sum of its proper divisors (1).

247126463 is an equidigital number, since it uses as much as digits as its factorization.

247126463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 35.

The square root of 247126463 is about 15720.2564546511. The cubic root of 247126463 is about 627.5375981027.

The spelling of 247126463 in words is "two hundred forty-seven million, one hundred twenty-six thousand, four hundred sixty-three".