240513307 has 2 divisors, whose sum is σ = 240513308. Its totient is φ = 240513306.

The previous prime is 240513223. The next prime is 240513341. The reversal of 240513307 is 703315042.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240513307 is a prime.

It is not a weakly prime, because it can be changed into another prime (240513397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120256653 + 120256654.

It is an arithmetic number, because the mean of its divisors is an integer number (120256654).

Almost surely, 2^240513307 is an apocalyptic number.

240513307 is a deficient number, since it is larger than the sum of its proper divisors (1).

240513307 is an equidigital number, since it uses as much as digits as its factorization.

240513307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 240513307 is about 15508.4914482357. The cubic root of 240513307 is about 621.8892313166.

Adding to 240513307 its reverse (703315042), we get a palindrome (943828349).

The spelling of 240513307 in words is "two hundred forty million, five hundred thirteen thousand, three hundred seven".