6569401 has 4 divisors (see below), whose sum is σ = 6577552. Its totient is φ = 6561252.

The previous prime is 6569377. The next prime is 6569413. The reversal of 6569401 is 1049656.

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.

It is a cyclic number.

It is not a de Polignac number, because 6569401 - 2¹³ = 6561209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6569441) 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, 2715 + ... + 4528.

It is an arithmetic number, because the mean of its divisors is an integer number (1644388).

Almost surely, 2^6569401 is an apocalyptic number.

It is an amenable number.

6569401 is a deficient number, since it is larger than the sum of its proper divisors (8151).

6569401 is an equidigital number, since it uses as much as digits as its factorization.

6569401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8150.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 6569401 is about 2563.0842748532. The cubic root of 6569401 is about 187.2874129864.

The spelling of 6569401 in words is "six million, five hundred sixty-nine thousand, four hundred one".