361153493 has 2 divisors, whose sum is σ = 361153494. Its totient is φ = 361153492.

The previous prime is 361153487. The next prime is 361153519. The reversal of 361153493 is 394351163.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 210772324 + 150381169 = 14518^2 + 12263^2 .

It is a cyclic number.

It is not a de Polignac number, because 361153493 - 2¹⁰ = 361152469 is a prime.

It is a super-2 number, since 2×361153493² = 260863691012202098, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (361153453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 180576746 + 180576747.

It is an arithmetic number, because the mean of its divisors is an integer number (180576747).

Almost surely, 2^361153493 is an apocalyptic number.

It is an amenable number.

361153493 is a deficient number, since it is larger than the sum of its proper divisors (1).

361153493 is an equidigital number, since it uses as much as digits as its factorization.

361153493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 35.

The square root of 361153493 is about 19004.0388602002. The cubic root of 361153493 is about 712.1376381694.

The spelling of 361153493 in words is "three hundred sixty-one million, one hundred fifty-three thousand, four hundred ninety-three".