1965137 has 4 divisors (see below), whose sum is σ = 1984320. Its totient is φ = 1945956.

The previous prime is 1965133. The next prime is 1965167. The reversal of 1965137 is 7315691.

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: 7315691 = 47 ⋅155653.

It is a cyclic number.

It is not a de Polignac number, because 1965137 - 2² = 1965133 is a prime.

It is a Duffinian number.

It is a plaindrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (1965133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9437 + ... + 9642.

It is an arithmetic number, because the mean of its divisors is an integer number (496080).

2^1965137 is an apocalyptic number.

It is an amenable number.

1965137 is a deficient number, since it is larger than the sum of its proper divisors (19183).

1965137 is a wasteful number, since it uses less digits than its factorization.

1965137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19182.

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

The square root of 1965137 is about 1401.8334423176. The cubic root of 1965137 is about 125.2557324505.

It can be divided in two parts, 19 and 65137, that added together give a palindrome (65156).

The spelling of 1965137 in words is "one million, nine hundred sixty-five thousand, one hundred thirty-seven".