726533 has 2 divisors, whose sum is σ = 726534. Its totient is φ = 726532.

The previous prime is 726527. The next prime is 726559. The reversal of 726533 is 335627.

It is an a-pointer prime, because the next prime (726559) can be obtained adding 726533 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 494209 + 232324 = 703^2 + 482^2 .

It is a cyclic number.

It is not a de Polignac number, because 726533 - 2⁶ = 726469 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363266 + 363267.

It is an arithmetic number, because the mean of its divisors is an integer number (363267).

2⁷²⁶⁵³³ is an apocalyptic number.

It is an amenable number.

726533 is a deficient number, since it is larger than the sum of its proper divisors (1).

726533 is an equidigital number, since it uses as much as digits as its factorization.

726533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 26.

The square root of 726533 is about 852.3690515264. The cubic root of 726533 is about 89.8983626300.

The spelling of 726533 in words is "seven hundred twenty-six thousand, five hundred thirty-three".