361288253 has 2 divisors, whose sum is σ = 361288254. Its totient is φ = 361288252.

The previous prime is 361288247. The next prime is 361288261. The reversal of 361288253 is 352882163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238455364 + 122832889 = 15442^2 + 11083^2 .

It is a cyclic number.

It is not a de Polignac number, because 361288253 - 2⁶ = 361288189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361288283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180644126 + 180644127.

It is an arithmetic number, because the mean of its divisors is an integer number (180644127).

Almost surely, 2^361288253 is an apocalyptic number.

It is an amenable number.

361288253 is a deficient number, since it is larger than the sum of its proper divisors (1).

361288253 is an equidigital number, since it uses as much as digits as its factorization.

361288253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 38.

The square root of 361288253 is about 19007.5840916199. The cubic root of 361288253 is about 712.2262022989.

The spelling of 361288253 in words is "three hundred sixty-one million, two hundred eighty-eight thousand, two hundred fifty-three".