726361525 has 6 divisors (see below), whose sum is σ = 900688322. Its totient is φ = 581089200.

The previous prime is 726361523. The next prime is 726361529. The reversal of 726361525 is 525163627.

It can be written as a sum of positive squares in 3 ways, for example, as 14432401 + 711929124 = 3799^2 + 26682^2 .

It is not a de Polignac number, because 726361525 - 2¹ = 726361523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726361523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14527206 + ... + 14527255.

Almost surely, 2^726361525 is an apocalyptic number.

It is an amenable number.

726361525 is a deficient number, since it is larger than the sum of its proper divisors (174326797).

726361525 is a wasteful number, since it uses less digits than its factorization.

726361525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29054471 (or 29054466 counting only the distinct ones).

The product of its digits is 75600, while the sum is 37.

The square root of 726361525 is about 26951.0950612401. The cubic root of 726361525 is about 898.9128952401.

The spelling of 726361525 in words is "seven hundred twenty-six million, three hundred sixty-one thousand, five hundred twenty-five".