733561601 has 2 divisors, whose sum is σ = 733561602. Its totient is φ = 733561600.

The previous prime is 733561567. The next prime is 733561603. The reversal of 733561601 is 106165337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 601426576 + 132135025 = 24524^2 + 11495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-733561601 is a prime.

It is a super-2 number, since 2×733561601² = 1076225244923366402, which contains 22 as substring.

Together with 733561603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (733561603) 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 as a sum of consecutive naturals, namely, 366780800 + 366780801.

It is an arithmetic number, because the mean of its divisors is an integer number (366780801).

Almost surely, 2^733561601 is an apocalyptic number.

It is an amenable number.

733561601 is a deficient number, since it is larger than the sum of its proper divisors (1).

733561601 is an equidigital number, since it uses as much as digits as its factorization.

733561601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 733561601 is about 27084.3423586396. The cubic root of 733561601 is about 901.8733001817.

The spelling of 733561601 in words is "seven hundred thirty-three million, five hundred sixty-one thousand, six hundred one".