245202010513 has 2 divisors, whose sum is σ = 245202010514. Its totient is φ = 245202010512.

The previous prime is 245202010511. The next prime is 245202010541. The reversal of 245202010513 is 315010202542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 234635609664 + 10566400849 = 484392^2 + 102793^2 .

It is a cyclic number.

It is not a de Polignac number, because 245202010513 - 2¹ = 245202010511 is a prime.

Together with 245202010511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (245202010511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122601005256 + 122601005257.

It is an arithmetic number, because the mean of its divisors is an integer number (122601005257).

Almost surely, 2^245202010513 is an apocalyptic number.

It is an amenable number.

245202010513 is a deficient number, since it is larger than the sum of its proper divisors (1).

245202010513 is an equidigital number, since it uses as much as digits as its factorization.

245202010513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 245202010513 in words is "two hundred forty-five billion, two hundred two million, ten thousand, five hundred thirteen".