240513413 has 6 divisors (see below), whose sum is σ = 279780966. Its totient is φ = 206154312.

The previous prime is 240513401. The next prime is 240513437. The reversal of 240513413 is 314315042.

It can be written as a sum of positive squares in only one way, i.e., 197767969 + 42745444 = 14063^2 + 6538^2 .

It is not a de Polignac number, because 240513413 - 2⁴ = 240513397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240513463) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2454170 + ... + 2454267.

It is an arithmetic number, because the mean of its divisors is an integer number (46630161).

Almost surely, 2^240513413 is an apocalyptic number.

It is an amenable number.

240513413 is a deficient number, since it is larger than the sum of its proper divisors (39267553).

240513413 is an equidigital number, since it uses as much as digits as its factorization.

240513413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908451 (or 4908444 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 240513413 is about 15508.4948657179. The cubic root of 240513413 is about 621.8893226771.

Adding to 240513413 its reverse (314315042), we get a palindrome (554828455).

The spelling of 240513413 in words is "two hundred forty million, five hundred thirteen thousand, four hundred thirteen".