25435323 has 8 divisors (see below), whose sum is σ = 37682000. Its totient is φ = 16956864.

The previous prime is 25435321. The next prime is 25435327. The reversal of 25435323 is 32353452.

It is not a de Polignac number, because 25435323 - 2¹ = 25435321 is a prime.

It is a super-2 number, since 2×25435323² = 1293911312228658, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 942049 = 25435323 / (2 + 5 + 4 + 3 + 5 + 3 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25435321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470998 + ... + 471051.

It is an arithmetic number, because the mean of its divisors is an integer number (4710250).

Almost surely, 2^25435323 is an apocalyptic number.

25435323 is a deficient number, since it is larger than the sum of its proper divisors (12246677).

25435323 is an equidigital number, since it uses as much as digits as its factorization.

25435323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 942058 (or 942052 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 25435323 is about 5043.3444260728. The cubic root of 25435323 is about 294.0892065825.

Adding to 25435323 its reverse (32353452), we get a palindrome (57788775).

The spelling of 25435323 in words is "twenty-five million, four hundred thirty-five thousand, three hundred twenty-three".