25054533 has 18 divisors (see below), whose sum is σ = 42099174. Its totient is φ = 14316624.

The previous prime is 25054517. The next prime is 25054537. The reversal of 25054533 is 33545052.

It can be written as a sum of positive squares in only one way, i.e., 24980004 + 74529 = 4998^2 + 273^2 .

It is not a de Polignac number, because 25054533 - 2⁴ = 25054517 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 25054497 and 25054506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25054537) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27966 + ... + 28847.

It is an arithmetic number, because the mean of its divisors is an integer number (2338843).

Almost surely, 2^25054533 is an apocalyptic number.

It is an amenable number.

25054533 is a deficient number, since it is larger than the sum of its proper divisors (17044641).

25054533 is a wasteful number, since it uses less digits than its factorization.

25054533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56833 (or 56823 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 25054533 is about 5005.4503293910. The cubic root of 25054533 is about 292.6142266993.

Adding to 25054533 its reverse (33545052), we get a palindrome (58599585).

The spelling of 25054533 in words is "twenty-five million, fifty-four thousand, five hundred thirty-three".