240253465 has 4 divisors (see below), whose sum is σ = 288304164. Its totient is φ = 192202768.

The previous prime is 240253463. The next prime is 240253471. The reversal of 240253465 is 564352042.

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 81216144 + 159037321 = 9012^2 + 12611^2 .

It is a cyclic number.

It is not a de Polignac number, because 240253465 - 2¹ = 240253463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240253463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24025342 + ... + 24025351.

It is an arithmetic number, because the mean of its divisors is an integer number (72076041).

Almost surely, 2^240253465 is an apocalyptic number.

It is an amenable number.

240253465 is a deficient number, since it is larger than the sum of its proper divisors (48050699).

240253465 is an equidigital number, since it uses as much as digits as its factorization.

240253465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48050698.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 240253465 is about 15500.1117737905. Note that the first 3 decimals coincide. The cubic root of 240253465 is about 621.6651949675.

The spelling of 240253465 in words is "two hundred forty million, two hundred fifty-three thousand, four hundred sixty-five".