240213053 has 2 divisors, whose sum is σ = 240213054. Its totient is φ = 240213052.

The previous prime is 240213049. The next prime is 240213073. The reversal of 240213053 is 350312042.

It is a happy number.

It is an a-pointer prime, because the next prime (240213073) can be obtained adding 240213053 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223263364 + 16949689 = 14942^2 + 4117^2 .

It is a cyclic number.

It is not a de Polignac number, because 240213053 - 2² = 240213049 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240213073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120106526 + 120106527.

It is an arithmetic number, because the mean of its divisors is an integer number (120106527).

Almost surely, 2^240213053 is an apocalyptic number.

It is an amenable number.

240213053 is a deficient number, since it is larger than the sum of its proper divisors (1).

240213053 is an equidigital number, since it uses as much as digits as its factorization.

240213053 is an odious number, because the sum of its binary digits is odd.

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

The square root of 240213053 is about 15498.8081154649. The cubic root of 240213053 is about 621.6303371385.

Adding to 240213053 its reverse (350312042), we get a palindrome (590525095).

The spelling of 240213053 in words is "two hundred forty million, two hundred thirteen thousand, fifty-three".