361597 has 4 divisors (see below), whose sum is σ = 362880. Its totient is φ = 360316.

The previous prime is 361577. The next prime is 361637. The reversal of 361597 is 795163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 795163 = 647 ⋅1229.

It is a cyclic number.

It is not a de Polignac number, because 361597 - 2⁷ = 361469 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13 + ... + 850.

It is an arithmetic number, because the mean of its divisors is an integer number (90720).

2³⁶¹⁵⁹⁷ is an apocalyptic number.

It is an amenable number.

361597 is a deficient number, since it is larger than the sum of its proper divisors (1283).

361597 is an equidigital number, since it uses as much as digits as its factorization.

361597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282.

The product of its digits is 5670, while the sum is 31.

The square root of 361597 is about 601.3293606668. The cubic root of 361597 is about 71.2429027505.

The spelling of 361597 in words is "three hundred sixty-one thousand, five hundred ninety-seven".