247860463 has 2 divisors, whose sum is σ = 247860464. Its totient is φ = 247860462.

The previous prime is 247860451. The next prime is 247860479. The reversal of 247860463 is 364068742.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 247860463 - 2²¹ = 245763311 is a prime.

It is a super-2 number, since 2×247860463² = 122869618237148738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (247860433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 123930231 + 123930232.

It is an arithmetic number, because the mean of its divisors is an integer number (123930232).

Almost surely, 2^247860463 is an apocalyptic number.

247860463 is a deficient number, since it is larger than the sum of its proper divisors (1).

247860463 is an equidigital number, since it uses as much as digits as its factorization.

247860463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 247860463 is about 15743.5848204912. The cubic root of 247860463 is about 628.1582753524.

The spelling of 247860463 in words is "two hundred forty-seven million, eight hundred sixty thousand, four hundred sixty-three".