33425401 has 2 divisors, whose sum is σ = 33425402. Its totient is φ = 33425400.

The previous prime is 33425387. The next prime is 33425407. The reversal of 33425401 is 10452433.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29811600 + 3613801 = 5460^2 + 1901^2 .

It is a cyclic number.

It is not a de Polignac number, because 33425401 - 2⁵ = 33425369 is a prime.

It is a super-3 number, since 3×33425401³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (33425407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16712700 + 16712701.

It is an arithmetic number, because the mean of its divisors is an integer number (16712701).

Almost surely, 2^33425401 is an apocalyptic number.

It is an amenable number.

33425401 is a deficient number, since it is larger than the sum of its proper divisors (1).

33425401 is an equidigital number, since it uses as much as digits as its factorization.

33425401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 33425401 is about 5781.4704876874. The cubic root of 33425401 is about 322.1258236716.

Adding to 33425401 its reverse (10452433), we get a palindrome (43877834).

The spelling of 33425401 in words is "thirty-three million, four hundred twenty-five thousand, four hundred one".