2503402513 has 6 divisors (see below), whose sum is σ = 2642095554. Its totient is φ = 2371644144.

The previous prime is 2503402469. The next prime is 2503402529. The reversal of 2503402513 is 3152043052.

It can be written as a sum of positive squares in only one way, i.e., 2416017409 + 87385104 = 49153^2 + 9348^2 .

It is not a de Polignac number, because 2503402513 - 2²⁹ = 1966531601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2503402553) 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, 3466956 + ... + 3467677.

It is an arithmetic number, because the mean of its divisors is an integer number (440349259).

Almost surely, 2^2503402513 is an apocalyptic number.

It is an amenable number.

2503402513 is a deficient number, since it is larger than the sum of its proper divisors (138693041).

2503402513 is an equidigital number, since it uses as much as digits as its factorization.

2503402513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934671 (or 6934652 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 2503402513 is about 50034.0135607768. The cubic root of 2503402513 is about 1357.8242519230.

Adding to 2503402513 its reverse (3152043052), we get a palindrome (5655445565).

The spelling of 2503402513 in words is "two billion, five hundred three million, four hundred two thousand, five hundred thirteen".