25230533 has 8 divisors (see below), whose sum is σ = 26835480. Its totient is φ = 23639040.

The previous prime is 25230511. The next prime is 25230547. The reversal of 25230533 is 33503252.

It can be written as a sum of positive squares in 4 ways, for example, as 19651489 + 5579044 = 4433^2 + 2362^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 25230533 - 2⁸ = 25230277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25230499 and 25230508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25230503) 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, 653 + ... + 7133.

It is an arithmetic number, because the mean of its divisors is an integer number (3354435).

Almost surely, 2^25230533 is an apocalyptic number.

It is an amenable number.

25230533 is a deficient number, since it is larger than the sum of its proper divisors (1604947).

25230533 is a wasteful number, since it uses less digits than its factorization.

25230533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727.

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 25230533 is about 5023.0003981684. Note that the first 3 decimals coincide. The cubic root of 25230533 is about 293.2978020266.

Adding to 25230533 its reverse (33503252), we get a palindrome (58733785).

The spelling of 25230533 in words is "twenty-five million, two hundred thirty thousand, five hundred thirty-three".