25533201 has 16 divisors (see below), whose sum is σ = 36929088. Its totient is φ = 15628800.

The previous prime is 25533163. The next prime is 25533239. The reversal of 25533201 is 10233552.

It is an interprime number because it is at equal distance from previous prime (25533163) and next prime (25533239).

It is not a de Polignac number, because 25533201 - 2⁷ = 25533073 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25533241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4015 + ... + 8196.

It is an arithmetic number, because the mean of its divisors is an integer number (2308068).

Almost surely, 2^25533201 is an apocalyptic number.

It is an amenable number.

25533201 is a deficient number, since it is larger than the sum of its proper divisors (11395887).

25533201 is a wasteful number, since it uses less digits than its factorization.

25533201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12272.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25533201 is about 5053.0387886894. The cubic root of 25533201 is about 294.4659532512.

Adding to 25533201 its reverse (10233552), we get a palindrome (35766753).

The spelling of 25533201 in words is "twenty-five million, five hundred thirty-three thousand, two hundred one".