33481562251 has 2 divisors, whose sum is σ = 33481562252. Its totient is φ = 33481562250.

The previous prime is 33481562249. The next prime is 33481562333. The reversal of 33481562251 is 15226518433.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 33481562251 - 2¹ = 33481562249 is a prime.

It is a super-2 number, since 2×33481562251² (a number of 22 digits) contains 22 as substring.

Together with 33481562249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (33481562551) 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, 16740781125 + 16740781126.

It is an arithmetic number, because the mean of its divisors is an integer number (16740781126).

Almost surely, 2^33481562251 is an apocalyptic number.

33481562251 is a deficient number, since it is larger than the sum of its proper divisors (1).

33481562251 is an equidigital number, since it uses as much as digits as its factorization.

33481562251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 40.

The spelling of 33481562251 in words is "thirty-three billion, four hundred eighty-one million, five hundred sixty-two thousand, two hundred fifty-one".