133353425 has 12 divisors (see below), whose sum is σ = 172548480. Its totient is φ = 102043920.

The previous prime is 133353421. The next prime is 133353427. The reversal of 133353425 is 524353331.

It is not a de Polignac number, because 133353425 - 2² = 133353421 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (133353421) 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, 115385 + ... + 116534.

It is an arithmetic number, because the mean of its divisors is an integer number (14379040).

Almost surely, 2^133353425 is an apocalyptic number.

It is an amenable number.

133353425 is a deficient number, since it is larger than the sum of its proper divisors (39195055).

133353425 is a wasteful number, since it uses less digits than its factorization.

133353425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231952 (or 231947 counting only the distinct ones).

The product of its digits is 16200, while the sum is 29.

The square root of 133353425 is about 11547.8753457075. The cubic root of 133353425 is about 510.8986143630.

The spelling of 133353425 in words is "one hundred thirty-three million, three hundred fifty-three thousand, four hundred twenty-five".