23133025 has 12 divisors (see below), whose sum is σ = 28764652. Its totient is φ = 18455040.

The previous prime is 23132999. The next prime is 23133031. The reversal of 23133025 is 52033132.

It can be written as a sum of positive squares in 6 ways, for example, as 8456464 + 14676561 = 2908^2 + 3831^2 .

It is not a de Polignac number, because 23133025 - 2⁹ = 23132513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 23132993 and 23133011.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 9757 + ... + 11893.

Almost surely, 2^23133025 is an apocalyptic number.

23133025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23133025 is a deficient number, since it is larger than the sum of its proper divisors (5631627).

23133025 is a wasteful number, since it uses less digits than its factorization.

23133025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2580 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 23133025 is about 4809.6803428087. The cubic root of 23133025 is about 284.9339130649.

Adding to 23133025 its reverse (52033132), we get a palindrome (75166157).

The spelling of 23133025 in words is "twenty-three million, one hundred thirty-three thousand, twenty-five".