33425013 has 16 divisors (see below), whose sum is σ = 45372096. Its totient is φ = 21884160.

The previous prime is 33424999. The next prime is 33425039. The reversal of 33425013 is 31052433.

It is not a de Polignac number, because 33425013 - 2¹³ = 33416821 is a prime.

It is a super-2 number, since 2×33425013² = 2234462988100338, which contains 22 as substring.

33425013 is a modest number, since divided by 5013 gives 3342 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33425053) 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, 59731 + ... + 60287.

It is an arithmetic number, because the mean of its divisors is an integer number (2835756).

Almost surely, 2^33425013 is an apocalyptic number.

It is an amenable number.

33425013 is a deficient number, since it is larger than the sum of its proper divisors (11947083).

33425013 is a wasteful number, since it uses less digits than its factorization.

33425013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 884.

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

The square root of 33425013 is about 5781.4369321130. The cubic root of 33425013 is about 322.1245772612.

Adding to 33425013 its reverse (31052433), we get a palindrome (64477446).

The spelling of 33425013 in words is "thirty-three million, four hundred twenty-five thousand, thirteen".