361593 has 6 divisors (see below), whose sum is σ = 522314. Its totient is φ = 241056.

The previous prime is 361577. The next prime is 361637. The reversal of 361593 is 395163.

It can be written as a sum of positive squares in only one way, i.e., 356409 + 5184 = 597^2 + 72^2 .

It is not a de Polignac number, because 361593 - 2⁴ = 361577 is a prime.

It is a Duffinian number.

361593 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361523) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20080 + ... + 20097.

2³⁶¹⁵⁹³ is an apocalyptic number.

It is an amenable number.

361593 is a deficient number, since it is larger than the sum of its proper divisors (160721).

361593 is a wasteful number, since it uses less digits than its factorization.

361593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40183 (or 40180 counting only the distinct ones).

The product of its digits is 2430, while the sum is 27.

The square root of 361593 is about 601.3260346933. The cubic root of 361593 is about 71.2426400523.

The spelling of 361593 in words is "three hundred sixty-one thousand, five hundred ninety-three".