2503563313 has 2 divisors, whose sum is σ = 2503563314. Its totient is φ = 2503563312.

The previous prime is 2503563287. The next prime is 2503563323. The reversal of 2503563313 is 3133653052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1394873104 + 1108690209 = 37348^2 + 33297^2 .

It is a cyclic number.

It is not a de Polignac number, because 2503563313 - 2²¹ = 2501466161 is a prime.

It is not a weakly prime, because it can be changed into another prime (2503563323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1251781656 + 1251781657.

It is an arithmetic number, because the mean of its divisors is an integer number (1251781657).

Almost surely, 2^2503563313 is an apocalyptic number.

It is an amenable number.

2503563313 is a deficient number, since it is larger than the sum of its proper divisors (1).

2503563313 is an equidigital number, since it uses as much as digits as its factorization.

2503563313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 31.

The square root of 2503563313 is about 50035.6204418412. The cubic root of 2503563313 is about 1357.8533234852.

The spelling of 2503563313 in words is "two billion, five hundred three million, five hundred sixty-three thousand, three hundred thirteen".