240258001 has 4 divisors (see below), whose sum is σ = 242384292. Its totient is φ = 238131712.

The previous prime is 240257993. The next prime is 240258013. The reversal of 240258001 is 100852042.

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 123099025 + 117158976 = 11095^2 + 10824^2 .

It is a cyclic number.

It is not a de Polignac number, because 240258001 - 2³ = 240257993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240258701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062976 + ... + 1063201.

It is an arithmetic number, because the mean of its divisors is an integer number (60596073).

Almost surely, 2^240258001 is an apocalyptic number.

It is an amenable number.

240258001 is a deficient number, since it is larger than the sum of its proper divisors (2126291).

240258001 is a wasteful number, since it uses less digits than its factorization.

240258001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126290.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 240258001 is about 15500.2580946254. The cubic root of 240258001 is about 621.6691073017.

The spelling of 240258001 in words is "two hundred forty million, two hundred fifty-eight thousand, one".