25435223 has 4 divisors (see below), whose sum is σ = 27747528. Its totient is φ = 23122920.

The previous prime is 25435183. The next prime is 25435229. The reversal of 25435223 is 32253452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25435223 - 2¹⁴ = 25418839 is a prime.

It is a super-3 number, since 3×25435223³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25435192 and 25435201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25435229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1156136 + ... + 1156157.

It is an arithmetic number, because the mean of its divisors is an integer number (6936882).

Almost surely, 2^25435223 is an apocalyptic number.

25435223 is a deficient number, since it is larger than the sum of its proper divisors (2312305).

25435223 is a wasteful number, since it uses less digits than its factorization.

25435223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2312304.

The product of its digits is 7200, while the sum is 26.

The square root of 25435223 is about 5043.3345120069. The cubic root of 25435223 is about 294.0888211741.

Adding to 25435223 its reverse (32253452), we get a palindrome (57688675).

The spelling of 25435223 in words is "twenty-five million, four hundred thirty-five thousand, two hundred twenty-three".