725736533 has 2 divisors, whose sum is σ = 725736534. Its totient is φ = 725736532.

The previous prime is 725736481. The next prime is 725736569. The reversal of 725736533 is 335637527.

725736533 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 529092004 + 196644529 = 23002^2 + 14023^2 .

It is a cyclic number.

It is not a de Polignac number, because 725736533 - 2⁶ = 725736469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (725736593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362868266 + 362868267.

It is an arithmetic number, because the mean of its divisors is an integer number (362868267).

Almost surely, 2^725736533 is an apocalyptic number.

It is an amenable number.

725736533 is a deficient number, since it is larger than the sum of its proper divisors (1).

725736533 is an equidigital number, since it uses as much as digits as its factorization.

725736533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 396900, while the sum is 41.

The square root of 725736533 is about 26939.4976382263. The cubic root of 725736533 is about 898.6550004398.

The spelling of 725736533 in words is "seven hundred twenty-five million, seven hundred thirty-six thousand, five hundred thirty-three".