360285721 has 2 divisors, whose sum is σ = 360285722. Its totient is φ = 360285720.

The previous prime is 360285707. The next prime is 360285727. The reversal of 360285721 is 127582063.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 280093696 + 80192025 = 16736^2 + 8955^2 .

It is a cyclic number.

It is not a de Polignac number, because 360285721 - 2¹⁷ = 360154649 is a prime.

It is not a weakly prime, because it can be changed into another prime (360285727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180142860 + 180142861.

It is an arithmetic number, because the mean of its divisors is an integer number (180142861).

Almost surely, 2^360285721 is an apocalyptic number.

It is an amenable number.

360285721 is a deficient number, since it is larger than the sum of its proper divisors (1).

360285721 is an equidigital number, since it uses as much as digits as its factorization.

360285721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 360285721 is about 18981.1938770985. The cubic root of 360285721 is about 711.5668109660.

The spelling of 360285721 in words is "three hundred sixty million, two hundred eighty-five thousand, seven hundred twenty-one".