33625121 has 4 divisors (see below), whose sum is σ = 33682992. Its totient is φ = 33567252.

The previous prime is 33625087. The next prime is 33625139. The reversal of 33625121 is 12152633.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12152633 = 991 ⋅12263.

It is a cyclic number.

It is not a de Polignac number, because 33625121 - 2¹⁴ = 33608737 is a prime.

It is a super-2 number, since 2×33625121² = 2261297524529282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33624121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28055 + ... + 29228.

It is an arithmetic number, because the mean of its divisors is an integer number (8420748).

Almost surely, 2^33625121 is an apocalyptic number.

It is an amenable number.

33625121 is a deficient number, since it is larger than the sum of its proper divisors (57871).

33625121 is an equidigital number, since it uses as much as digits as its factorization.

33625121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57870.

The product of its digits is 1080, while the sum is 23.

The square root of 33625121 is about 5798.7171857231. The cubic root of 33625121 is about 322.7661277054.

Adding to 33625121 its reverse (12152633), we get a palindrome (45777754).

The spelling of 33625121 in words is "thirty-three million, six hundred twenty-five thousand, one hundred twenty-one".