33425313 has 32 divisors (see below), whose sum is σ = 49372800. Its totient is φ = 20030976.

The previous prime is 33425303. The next prime is 33425317. The reversal of 33425313 is 31352433.

It is a happy number.

It is not a de Polignac number, because 33425313 - 2⁴ = 33425297 is a prime.

It is a super-2 number, since 2×33425313² = 2234503098295938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33425317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120531 + ... + 120807.

It is an arithmetic number, because the mean of its divisors is an integer number (1542900).

Almost surely, 2^33425313 is an apocalyptic number.

It is an amenable number.

33425313 is a deficient number, since it is larger than the sum of its proper divisors (15947487).

33425313 is a wasteful number, since it uses less digits than its factorization.

33425313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401.

The product of its digits is 3240, while the sum is 24.

The square root of 33425313 is about 5781.4628771618. The cubic root of 33425313 is about 322.1255409814.

Adding to 33425313 its reverse (31352433), we get a palindrome (64777746).

The spelling of 33425313 in words is "thirty-three million, four hundred twenty-five thousand, three hundred thirteen".