240025133 has 4 divisors (see below), whose sum is σ = 240074268. Its totient is φ = 239976000.

The previous prime is 240025103. The next prime is 240025139. The reversal of 240025133 is 331520042.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 230371684 + 9653449 = 15178^2 + 3107^2 .

It is a cyclic number.

It is not a de Polignac number, because 240025133 - 2⁸ = 240024877 is a prime.

It is a super-2 number, since 2×240025133² = 115224128943335378, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240025139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16316 + ... + 27317.

It is an arithmetic number, because the mean of its divisors is an integer number (60018567).

Almost surely, 2^240025133 is an apocalyptic number.

It is an amenable number.

240025133 is a deficient number, since it is larger than the sum of its proper divisors (49135).

240025133 is an equidigital number, since it uses as much as digits as its factorization.

240025133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49134.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 240025133 is about 15492.7445276813. The cubic root of 240025133 is about 621.4681932321.

Adding to 240025133 its reverse (331520042), we get a palindrome (571545175).

The spelling of 240025133 in words is "two hundred forty million, twenty-five thousand, one hundred thirty-three".