363613 has 8 divisors (see below), whose sum is σ = 391608. Its totient is φ = 336384.

The previous prime is 363611. The next prime is 363619. The reversal of 363613 is 316363.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 205209 + 158404 = 453^2 + 398^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 363613 - 2¹ = 363611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (363611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1095 + ... + 1387.

It is an arithmetic number, because the mean of its divisors is an integer number (48951).

2³⁶³⁶¹³ is an apocalyptic number.

It is an amenable number.

363613 is a deficient number, since it is larger than the sum of its proper divisors (27995).

363613 is a wasteful number, since it uses less digits than its factorization.

363613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383.

The product of its digits is 972, while the sum is 22.

The square root of 363613 is about 603.0033167405. The cubic root of 363613 is about 71.3750568691.

Adding to 363613 its reverse (316363), we get a palindrome (679976).

The spelling of 363613 in words is "three hundred sixty-three thousand, six hundred thirteen".