2440513 has 2 divisors, whose sum is σ = 2440514. Its totient is φ = 2440512.

The previous prime is 2440499. The next prime is 2440517. The reversal of 2440513 is 3150442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1495729 + 944784 = 1223^2 + 972^2 .

It is a cyclic number.

It is not a de Polignac number, because 2440513 - 2⁵ = 2440481 is a prime.

It is a super-2 number, since 2×2440513² = 11912207406338, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2440517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1220256 + 1220257.

It is an arithmetic number, because the mean of its divisors is an integer number (1220257).

2^2440513 is an apocalyptic number.

It is an amenable number.

2440513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2440513 is an equidigital number, since it uses as much as digits as its factorization.

2440513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2440513 is about 1562.2141338498. The cubic root of 2440513 is about 134.6357441608.

Adding to 2440513 its reverse (3150442), we get a palindrome (5590955).

The spelling of 2440513 in words is "two million, four hundred forty thousand, five hundred thirteen".