133223025 has 48 divisors (see below), whose sum is σ = 239609664. Its totient is φ = 64922880.

The previous prime is 133223009. The next prime is 133223039. The reversal of 133223025 is 520322331.

It is not a de Polignac number, because 133223025 - 2⁴ = 133223009 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 133222992 and 133223010.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103687 + ... + 104963.

It is an arithmetic number, because the mean of its divisors is an integer number (4991868).

Almost surely, 2^133223025 is an apocalyptic number.

133223025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133223025 is a deficient number, since it is larger than the sum of its proper divisors (106386639).

133223025 is a wasteful number, since it uses less digits than its factorization.

133223025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 133223025 is about 11542.2279045252. The cubic root of 133223025 is about 510.7320321990.

Adding to 133223025 its reverse (520322331), we get a palindrome (653545356).

The spelling of 133223025 in words is "one hundred thirty-three million, two hundred twenty-three thousand, twenty-five".