464650247 has 2 divisors, whose sum is σ = 464650248. Its totient is φ = 464650246.

The previous prime is 464650229. The next prime is 464650313. The reversal of 464650247 is 742056464.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 464650247 - 2¹² = 464646151 is a prime.

It is a super-2 number, since 2×464650247² = 431799704074322018, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 464650247.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (464652247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 232325123 + 232325124.

It is an arithmetic number, because the mean of its divisors is an integer number (232325124).

Almost surely, 2^464650247 is an apocalyptic number.

464650247 is a deficient number, since it is larger than the sum of its proper divisors (1).

464650247 is an equidigital number, since it uses as much as digits as its factorization.

464650247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 38.

The square root of 464650247 is about 21555.7474238311. The cubic root of 464650247 is about 774.5368009784.

The spelling of 464650247 in words is "four hundred sixty-four million, six hundred fifty thousand, two hundred forty-seven".