33420252361 has 4 divisors (see below), whose sum is σ = 33420619792. Its totient is φ = 33419884932.

The previous prime is 33420252343. The next prime is 33420252391. The reversal of 33420252361 is 16325202433.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 33420252361 - 2²¹ = 33418155209 is a prime.

It is a super-2 number, since 2×33420252361² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33420252301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64570 + ... + 266476.

It is an arithmetic number, because the mean of its divisors is an integer number (8355154948).

Almost surely, 2^33420252361 is an apocalyptic number.

It is an amenable number.

33420252361 is a deficient number, since it is larger than the sum of its proper divisors (367431).

33420252361 is a wasteful number, since it uses less digits than its factorization.

33420252361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367430.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 33420252361 its reverse (16325202433), we get a palindrome (49745454794).

The spelling of 33420252361 in words is "thirty-three billion, four hundred twenty million, two hundred fifty-two thousand, three hundred sixty-one".