100033275 has 12 divisors (see below), whose sum is σ = 165388472. Its totient is φ = 53351040.

The previous prime is 100033273. The next prime is 100033319. The reversal of 100033275 is 572330001.

It is a happy number.

It is not a de Polignac number, because 100033275 - 2¹ = 100033273 is a prime.

It is a super-2 number, since 2×100033275² = 20013312214451250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100033273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666814 + ... + 666963.

Almost surely, 2^100033275 is an apocalyptic number.

100033275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100033275 is a deficient number, since it is larger than the sum of its proper divisors (65355197).

100033275 is a wasteful number, since it uses less digits than its factorization.

100033275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333790 (or 1333785 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 21.

The square root of 100033275 is about 10001.6636116198. The cubic root of 100033275 is about 464.2103606082.

Adding to 100033275 its reverse (572330001), we get a palindrome (672363276).

The spelling of 100033275 in words is "one hundred million, thirty-three thousand, two hundred seventy-five".