25533066 has 16 divisors (see below), whose sum is σ = 54994464. Its totient is φ = 7856304.

The previous prime is 25533023. The next prime is 25533073. The reversal of 25533066 is 66033552.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 163596 + ... + 163751.

It is an arithmetic number, because the mean of its divisors is an integer number (3437154).

Almost surely, 2^25533066 is an apocalyptic number.

25533066 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

25533066 is an abundant number, since it is smaller than the sum of its proper divisors (29461398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25533066 is a wasteful number, since it uses less digits than its factorization.

25533066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327365.

The product of its (nonzero) digits is 16200, while the sum is 30.

The square root of 25533066 is about 5053.0254303734. The cubic root of 25533066 is about 294.4654342802.

The spelling of 25533066 in words is "twenty-five million, five hundred thirty-three thousand, sixty-six".