4645657 has 4 divisors (see below), whose sum is σ = 4656820. Its totient is φ = 4634496.

The previous prime is 4645651. The next prime is 4645681. The reversal of 4645657 is 7565464.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1893376 + 2752281 = 1376^2 + 1659^2 .

It is a cyclic number.

It is not a de Polignac number, because 4645657 - 2³ = 4645649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4645651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4932 + ... + 5797.

It is an arithmetic number, because the mean of its divisors is an integer number (1164205).

Almost surely, 2^4645657 is an apocalyptic number.

It is an amenable number.

4645657 is a deficient number, since it is larger than the sum of its proper divisors (11163).

4645657 is a wasteful number, since it uses less digits than its factorization.

4645657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11162.

The product of its digits is 100800, while the sum is 37.

The square root of 4645657 is about 2155.3786210316. The cubic root of 4645657 is about 166.8587735956.

The spelling of 4645657 in words is "four million, six hundred forty-five thousand, six hundred fifty-seven".