33350000521 has 2 divisors, whose sum is σ = 33350000522. Its totient is φ = 33350000520.

The previous prime is 33350000503. The next prime is 33350000531. The reversal of 33350000521 is 12500005333.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33047240521 + 302760000 = 181789^2 + 17400^2 .

It is a cyclic number.

It is not a de Polignac number, because 33350000521 - 2¹³ = 33349992329 is a prime.

It is a super-2 number, since 2×33350000521² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33350000492 and 33350000501.

It is not a weakly prime, because it can be changed into another prime (33350000531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16675000260 + 16675000261.

It is an arithmetic number, because the mean of its divisors is an integer number (16675000261).

Almost surely, 2^33350000521 is an apocalyptic number.

It is an amenable number.

33350000521 is a deficient number, since it is larger than the sum of its proper divisors (1).

33350000521 is an equidigital number, since it uses as much as digits as its factorization.

33350000521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 22.

Adding to 33350000521 its reverse (12500005333), we get a palindrome (45850005854).

The spelling of 33350000521 in words is "thirty-three billion, three hundred fifty million, five hundred twenty-one", and thus it is an aban number.