2533623 has 8 divisors (see below), whose sum is σ = 3386736. Its totient is φ = 1684800.

The previous prime is 2533577. The next prime is 2533627. The reversal of 2533623 is 3263352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2533623 - 2⁸ = 2533367 is a prime.

It is a super-2 number, since 2×2533623² = 12838491012258, which contains 22 as substring.

2533623 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2533593 and 2533602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2533627) 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 7 ways as a sum of consecutive naturals, for example, 753 + ... + 2373.

It is an arithmetic number, because the mean of its divisors is an integer number (423342).

2^2533623 is an apocalyptic number.

2533623 is a deficient number, since it is larger than the sum of its proper divisors (853113).

2533623 is a wasteful number, since it uses less digits than its factorization.

2533623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2145.

The product of its digits is 3240, while the sum is 24.

The square root of 2533623 is about 1591.7358449190. The cubic root of 2533623 is about 136.3266190835.

Adding to 2533623 its reverse (3263352), we get a palindrome (5796975).

It can be divided in two parts, 253 and 3623, that multiplied together give a palindrome (916619).

The spelling of 2533623 in words is "two million, five hundred thirty-three thousand, six hundred twenty-three".