733068521 has 2 divisors, whose sum is σ = 733068522. Its totient is φ = 733068520.

The previous prime is 733068481. The next prime is 733068529. The reversal of 733068521 is 125860337.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413552896 + 319515625 = 20336^2 + 17875^2 .

It is a cyclic number.

It is not a de Polignac number, because 733068521 - 2¹⁰ = 733067497 is a prime.

It is a super-2 number, since 2×733068521² = 1074778912962254882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (733068529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 366534260 + 366534261.

It is an arithmetic number, because the mean of its divisors is an integer number (366534261).

Almost surely, 2^733068521 is an apocalyptic number.

It is an amenable number.

733068521 is a deficient number, since it is larger than the sum of its proper divisors (1).

733068521 is an equidigital number, since it uses as much as digits as its factorization.

733068521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 733068521 is about 27075.2381522305. The cubic root of 733068521 is about 901.6711833856.

The spelling of 733068521 in words is "seven hundred thirty-three million, sixty-eight thousand, five hundred twenty-one".