2569901 has 4 divisors (see below), whose sum is σ = 2575872. Its totient is φ = 2563932.

The previous prime is 2569891. The next prime is 2569927. The reversal of 2569901 is 1099652.

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 2569901 - 2¹⁸ = 2307757 is a prime.

It is a super-2 number, since 2×2569901² = 13208782299602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569961) 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, 2285 + ... + 3218.

It is an arithmetic number, because the mean of its divisors is an integer number (643968).

2^2569901 is an apocalyptic number.

It is an amenable number.

2569901 is a deficient number, since it is larger than the sum of its proper divisors (5971).

2569901 is an equidigital number, since it uses as much as digits as its factorization.

2569901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5970.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 2569901 is about 1603.0910766391. The cubic root of 2569901 is about 136.9742079423.

The spelling of 2569901 in words is "two million, five hundred sixty-nine thousand, nine hundred one".