424252163 has 2 divisors, whose sum is σ = 424252164. Its totient is φ = 424252162.

The previous prime is 424252139. The next prime is 424252177. The reversal of 424252163 is 361252424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 424252163 - 2¹² = 424248067 is a prime.

It is not a weakly prime, because it can be changed into another prime (424252183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212126081 + 212126082.

It is an arithmetic number, because the mean of its divisors is an integer number (212126082).

Almost surely, 2^424252163 is an apocalyptic number.

424252163 is a deficient number, since it is larger than the sum of its proper divisors (1).

424252163 is an equidigital number, since it uses as much as digits as its factorization.

424252163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 29.

The square root of 424252163 is about 20597.3824307847. The cubic root of 424252163 is about 751.4060515633.

The spelling of 424252163 in words is "four hundred twenty-four million, two hundred fifty-two thousand, one hundred sixty-three".