240513401 has 2 divisors, whose sum is σ = 240513402. Its totient is φ = 240513400.

The previous prime is 240513397. The next prime is 240513437. The reversal of 240513401 is 104315042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 198781801 + 41731600 = 14099^2 + 6460^2 .

It is a cyclic number.

It is not a de Polignac number, because 240513401 - 2² = 240513397 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (240513101) 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 as a sum of consecutive naturals, namely, 120256700 + 120256701.

It is an arithmetic number, because the mean of its divisors is an integer number (120256701).

Almost surely, 2^240513401 is an apocalyptic number.

It is an amenable number.

240513401 is a deficient number, since it is larger than the sum of its proper divisors (1).

240513401 is an equidigital number, since it uses as much as digits as its factorization.

240513401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 240513401 is about 15508.4944788332. The cubic root of 240513401 is about 621.8893123344.

Adding to 240513401 its reverse (104315042), we get a palindrome (344828443).

The spelling of 240513401 in words is "two hundred forty million, five hundred thirteen thousand, four hundred one".