2403455013 has 24 divisors (see below), whose sum is σ = 3492379800. Its totient is φ = 1592769024.

The previous prime is 2403455003. The next prime is 2403455023. The reversal of 2403455013 is 3105543042.

It is an interprime number because it is at equal distance from previous prime (2403455003) and next prime (2403455023).

It can be written as a sum of positive squares in 4 ways, for example, as 47032164 + 2356422849 = 6858^2 + 48543^2 .

It is not a de Polignac number, because 2403455013 - 2⁴ = 2403454997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403455003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1492953 + ... + 1494561.

It is an arithmetic number, because the mean of its divisors is an integer number (145515825).

Almost surely, 2^2403455013 is an apocalyptic number.

It is an amenable number.

2403455013 is a deficient number, since it is larger than the sum of its proper divisors (1088924787).

2403455013 is a wasteful number, since it uses less digits than its factorization.

2403455013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2403455013 is about 49025.0447526568. The cubic root of 2403455013 is about 1339.5080642080.

Adding to 2403455013 its reverse (3105543042), we get a palindrome (5508998055).

The spelling of 2403455013 in words is "two billion, four hundred three million, four hundred fifty-five thousand, thirteen".