246466991 has 2 divisors, whose sum is σ = 246466992. Its totient is φ = 246466990.

The previous prime is 246466981. The next prime is 246466999. The reversal of 246466991 is 199664642.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 246466991 - 2²² = 242272687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (246466999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123233495 + 123233496.

It is an arithmetic number, because the mean of its divisors is an integer number (123233496).

Almost surely, 2^246466991 is an apocalyptic number.

246466991 is a deficient number, since it is larger than the sum of its proper divisors (1).

246466991 is an equidigital number, since it uses as much as digits as its factorization.

246466991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 559872, while the sum is 47.

The square root of 246466991 is about 15699.2672121982. The cubic root of 246466991 is about 626.9788934099.

The spelling of 246466991 in words is "two hundred forty-six million, four hundred sixty-six thousand, nine hundred ninety-one".