268009533 has 16 divisors (see below), whose sum is σ = 433147200. Its totient is φ = 162429840.

The previous prime is 268009531. The next prime is 268009543. The reversal of 268009533 is 335900862.

It is not a de Polignac number, because 268009533 - 2¹ = 268009531 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268009531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450898 + ... + 451491.

It is an arithmetic number, because the mean of its divisors is an integer number (27071700).

Almost surely, 2^268009533 is an apocalyptic number.

It is an amenable number.

268009533 is a deficient number, since it is larger than the sum of its proper divisors (165137667).

268009533 is a wasteful number, since it uses less digits than its factorization.

268009533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902409 (or 902403 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 268009533 is about 16370.9967014840. The cubic root of 268009533 is about 644.7382171840.

The spelling of 268009533 in words is "two hundred sixty-eight million, nine thousand, five hundred thirty-three".