1957165 has 16 divisors (see below), whose sum is σ = 2707200. Its totient is φ = 1330560.

The previous prime is 1957157. The next prime is 1957187. The reversal of 1957165 is 5617591.

It is not a de Polignac number, because 1957165 - 2³ = 1957157 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1957165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6825 + ... + 7105.

It is an arithmetic number, because the mean of its divisors is an integer number (169200).

2^1957165 is an apocalyptic number.

It is an amenable number.

1957165 is a deficient number, since it is larger than the sum of its proper divisors (750035).

1957165 is a wasteful number, since it uses less digits than its factorization.

1957165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492.

The product of its digits is 9450, while the sum is 34.

The square root of 1957165 is about 1398.9871336077. The cubic root of 1957165 is about 125.0861273097.

The spelling of 1957165 in words is "one million, nine hundred fifty-seven thousand, one hundred sixty-five".