1361597 has 4 divisors (see below), whose sum is σ = 1433280. Its totient is φ = 1289916.

The previous prime is 1361593. The next prime is 1361599. The reversal of 1361597 is 7951631.

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 an emirpimes, since its reverse is a distinct semiprime: 7951631 = 17 ⋅467743.

It is a cyclic number.

It is not a de Polignac number, because 1361597 - 2² = 1361593 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 (1361593) 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, 35813 + ... + 35850.

It is an arithmetic number, because the mean of its divisors is an integer number (358320).

2^1361597 is an apocalyptic number.

It is an amenable number.

1361597 is a deficient number, since it is larger than the sum of its proper divisors (71683).

1361597 is an equidigital number, since it uses as much as digits as its factorization.

1361597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71682.

The product of its digits is 5670, while the sum is 32.

The square root of 1361597 is about 1166.8748861810. The cubic root of 1361597 is about 110.8365150059.

The spelling of 1361597 in words is "one million, three hundred sixty-one thousand, five hundred ninety-seven".