25533425 has 12 divisors (see below), whose sum is σ = 31724160. Its totient is φ = 20386320.

The previous prime is 25533419. The next prime is 25533433. The reversal of 25533425 is 52433552.

It is not a de Polignac number, because 25533425 - 2¹⁰ = 25532401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24056 + ... + 25094.

It is an arithmetic number, because the mean of its divisors is an integer number (2643680).

Almost surely, 2^25533425 is an apocalyptic number.

25533425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25533425 is a deficient number, since it is larger than the sum of its proper divisors (6190735).

25533425 is a wasteful number, since it uses less digits than its factorization.

25533425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2027 counting only the distinct ones).

The product of its digits is 18000, while the sum is 29.

The square root of 25533425 is about 5053.0609535211. The cubic root of 25533425 is about 294.4668143547.

Adding to 25533425 its reverse (52433552), we get a palindrome (77966977).

The spelling of 25533425 in words is "twenty-five million, five hundred thirty-three thousand, four hundred twenty-five".