4557965 has 4 divisors (see below), whose sum is σ = 5469564. Its totient is φ = 3646368.

The previous prime is 4557941. The next prime is 4557977. The reversal of 4557965 is 5697554.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5697554 = 2 ⋅2848777.

It can be written as a sum of positive squares in 2 ways, for example, as 724201 + 3833764 = 851^2 + 1958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4557965 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455792 + ... + 455801.

It is an arithmetic number, because the mean of its divisors is an integer number (1367391).

Almost surely, 2^4557965 is an apocalyptic number.

It is an amenable number.

4557965 is a deficient number, since it is larger than the sum of its proper divisors (911599).

4557965 is an equidigital number, since it uses as much as digits as its factorization.

4557965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911598.

The product of its digits is 189000, while the sum is 41.

The square root of 4557965 is about 2134.9391092019. The cubic root of 4557965 is about 165.8022152049.

The spelling of 4557965 in words is "four million, five hundred fifty-seven thousand, nine hundred sixty-five".