268213603 has 24 divisors (see below), whose sum is σ = 327006720. Its totient is φ = 218932560.

The previous prime is 268213601. The next prime is 268213639. The reversal of 268213603 is 306312862.

It is not a de Polignac number, because 268213603 - 2¹ = 268213601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (268213601) 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 23 ways as a sum of consecutive naturals, for example, 372678 + ... + 373396.

It is an arithmetic number, because the mean of its divisors is an integer number (13625280).

Almost surely, 2^268213603 is an apocalyptic number.

268213603 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

268213603 is a deficient number, since it is larger than the sum of its proper divisors (58793117).

268213603 is a wasteful number, since it uses less digits than its factorization.

268213603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 268213603 is about 16377.2281842808. The cubic root of 268213603 is about 644.9018162750.

The spelling of 268213603 in words is "two hundred sixty-eight million, two hundred thirteen thousand, six hundred three".