133453425 has 24 divisors (see below), whose sum is σ = 252164416. Its totient is φ = 61007040.

The previous prime is 133453399. The next prime is 133453427. The reversal of 133453425 is 524354331.

It is not a de Polignac number, because 133453425 - 2⁵ = 133453393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133453392 and 133453401.

It is not an unprimeable number, because it can be changed into a prime (133453427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 126574 + ... + 127623.

Almost surely, 2^133453425 is an apocalyptic number.

133453425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

133453425 is a deficient number, since it is larger than the sum of its proper divisors (118710991).

133453425 is a wasteful number, since it uses less digits than its factorization.

133453425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254217 (or 254212 counting only the distinct ones).

The product of its digits is 21600, while the sum is 30.

The square root of 133453425 is about 11552.2043351042. The cubic root of 133453425 is about 511.0262878648.

The spelling of 133453425 in words is "one hundred thirty-three million, four hundred fifty-three thousand, four hundred twenty-five".