133525223 has 16 divisors (see below), whose sum is σ = 145861632. Its totient is φ = 121500000.

The previous prime is 133525213. The next prime is 133525289. The reversal of 133525223 is 322525331.

It is a cyclic number.

It is not a de Polignac number, because 133525223 - 2²⁴ = 116748007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133525192 and 133525201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133525213) 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, 492578 + ... + 492848.

It is an arithmetic number, because the mean of its divisors is an integer number (9116352).

Almost surely, 2^133525223 is an apocalyptic number.

133525223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

133525223 is a deficient number, since it is larger than the sum of its proper divisors (12336409).

133525223 is a wasteful number, since it uses less digits than its factorization.

133525223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686.

The product of its digits is 5400, while the sum is 26.

The square root of 133525223 is about 11555.3114626997. The cubic root of 133525223 is about 511.1179155556.

The spelling of 133525223 in words is "one hundred thirty-three million, five hundred twenty-five thousand, two hundred twenty-three".