724537201 has 2 divisors, whose sum is σ = 724537202. Its totient is φ = 724537200.

The previous prime is 724537171. The next prime is 724537223. The reversal of 724537201 is 102735427.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 721728225 + 2808976 = 26865^2 + 1676^2 .

It is a cyclic number.

It is not a de Polignac number, because 724537201 - 2¹¹ = 724535153 is a prime.

It is not a weakly prime, because it can be changed into another prime (724537271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 362268600 + 362268601.

It is an arithmetic number, because the mean of its divisors is an integer number (362268601).

Almost surely, 2^724537201 is an apocalyptic number.

It is an amenable number.

724537201 is a deficient number, since it is larger than the sum of its proper divisors (1).

724537201 is an equidigital number, since it uses as much as digits as its factorization.

724537201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 724537201 is about 26917.2287020785. The cubic root of 724537201 is about 898.1596967487.

The spelling of 724537201 in words is "seven hundred twenty-four million, five hundred thirty-seven thousand, two hundred one".