33145201 has 2 divisors, whose sum is σ = 33145202. Its totient is φ = 33145200.

The previous prime is 33145187. The next prime is 33145207. The reversal of 33145201 is 10254133.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18284176 + 14861025 = 4276^2 + 3855^2 .

It is an emirp because it is prime and its reverse (10254133) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 33145201 - 2¹⁷ = 33014129 is a prime.

It is not a weakly prime, because it can be changed into another prime (33145207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16572600 + 16572601.

It is an arithmetic number, because the mean of its divisors is an integer number (16572601).

Almost surely, 2^33145201 is an apocalyptic number.

It is an amenable number.

33145201 is a deficient number, since it is larger than the sum of its proper divisors (1).

33145201 is an equidigital number, since it uses as much as digits as its factorization.

33145201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 33145201 is about 5757.1868998670. The cubic root of 33145201 is about 321.2231863039.

Adding to 33145201 its reverse (10254133), we get a palindrome (43399334).

It can be divided in two parts, 3314 and 5201, that added together give a triangular number (8515 = T₁₃₀).

The spelling of 33145201 in words is "thirty-three million, one hundred forty-five thousand, two hundred one".