2623601 has 4 divisors (see below), whose sum is σ = 2714100. Its totient is φ = 2533104.

The previous prime is 2623597. The next prime is 2623639. The reversal of 2623601 is 1063262.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1063262 = 2 ⋅531631.

It can be written as a sum of positive squares in 2 ways, for example, as 1575025 + 1048576 = 1255^2 + 1024^2 .

It is a cyclic number.

It is not a de Polignac number, because 2623601 - 2² = 2623597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2623651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45206 + ... + 45263.

It is an arithmetic number, because the mean of its divisors is an integer number (678525).

2^2623601 is an apocalyptic number.

It is an amenable number.

2623601 is a deficient number, since it is larger than the sum of its proper divisors (90499).

2623601 is an equidigital number, since it uses as much as digits as its factorization.

2623601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90498.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2623601 is about 1619.7533762891. The cubic root of 2623601 is about 137.9216982107.

Adding to 2623601 its reverse (1063262), we get a palindrome (3686863).

The spelling of 2623601 in words is "two million, six hundred twenty-three thousand, six hundred one".