424252663 has 8 divisors (see below), whose sum is σ = 459656208. Its totient is φ = 390009984.

The previous prime is 424252649. The next prime is 424252669. The reversal of 424252663 is 366252424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424252663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424252669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 289456 + ... + 290917.

It is an arithmetic number, because the mean of its divisors is an integer number (57457026).

Almost surely, 2^424252663 is an apocalyptic number.

424252663 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

424252663 is a deficient number, since it is larger than the sum of its proper divisors (35403545).

424252663 is a wasteful number, since it uses less digits than its factorization.

424252663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580433.

The product of its digits is 69120, while the sum is 34.

The square root of 424252663 is about 20597.3945682458. The cubic root of 424252663 is about 751.4063467516.

The spelling of 424252663 in words is "four hundred twenty-four million, two hundred fifty-two thousand, six hundred sixty-three".