25233505 has 8 divisors (see below), whose sum is σ = 33033024. Its totient is φ = 18351600.

The previous prime is 25233487. The next prime is 25233569. The reversal of 25233505 is 50533252.

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

It is not a de Polignac number, because 25233505 - 2⁹ = 25232993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25233505.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 229341 + ... + 229450.

It is an arithmetic number, because the mean of its divisors is an integer number (4129128).

Almost surely, 2^25233505 is an apocalyptic number.

It is an amenable number.

25233505 is a deficient number, since it is larger than the sum of its proper divisors (7799519).

25233505 is a wasteful number, since it uses less digits than its factorization.

25233505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458807.

The product of its (nonzero) digits is 4500, while the sum is 25.

The square root of 25233505 is about 5023.2962285734. The cubic root of 25233505 is about 293.3093177940.

Adding to 25233505 its reverse (50533252), we get a palindrome (75766757).

It can be divided in two parts, 2523 and 3505, that multiplied together give a triangular number (8843115 = T₄₂₀₅).

The spelling of 25233505 in words is "twenty-five million, two hundred thirty-three thousand, five hundred five".