426630503 has 16 divisors (see below), whose sum is σ = 485503200. Its totient is φ = 371640960.

The previous prime is 426630493. The next prime is 426630539. The reversal of 426630503 is 305036624.

It is a cyclic number.

It is not a de Polignac number, because 426630503 - 2⁸ = 426630247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426620503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63233 + ... + 69653.

It is an arithmetic number, because the mean of its divisors is an integer number (30343950).

Almost surely, 2^426630503 is an apocalyptic number.

426630503 is a deficient number, since it is larger than the sum of its proper divisors (58872697).

426630503 is a wasteful number, since it uses less digits than its factorization.

426630503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6722.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 426630503 is about 20655.0357782309. The cubic root of 426630503 is about 752.8075529331.

The spelling of 426630503 in words is "four hundred twenty-six million, six hundred thirty thousand, five hundred three".