4571969 has 4 divisors (see below), whose sum is σ = 4649520. Its totient is φ = 4494420.

The previous prime is 4571953. The next prime is 4571971. The reversal of 4571969 is 9691754.

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: 9691754 = 2 ⋅4845877.

It is a cyclic number.

It is not a de Polignac number, because 4571969 - 2⁴ = 4571953 is a prime.

It is a super-2 number, since 2×4571969² = 41805801073922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4571999) 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, 38687 + ... + 38804.

It is an arithmetic number, because the mean of its divisors is an integer number (1162380).

Almost surely, 2^4571969 is an apocalyptic number.

It is an amenable number.

4571969 is a deficient number, since it is larger than the sum of its proper divisors (77551).

4571969 is an equidigital number, since it uses as much as digits as its factorization.

4571969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77550.

The product of its digits is 68040, while the sum is 41.

The square root of 4571969 is about 2138.2163127242. The cubic root of 4571969 is about 165.9718464859.

The spelling of 4571969 in words is "four million, five hundred seventy-one thousand, nine hundred sixty-nine".