245054124203513 has 4 divisors (see below), whose sum is σ = 249677786924388. Its totient is φ = 240430461482640.

The previous prime is 245054124203437. The next prime is 245054124203527. The reversal of 245054124203513 is 315302421450542.

245054124203513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 100586296849984 + 144467827353529 = 10029272^2 + 12019477^2 .

It is a cyclic number.

It is not a de Polignac number, because 245054124203513 - 2⁸ = 245054124203257 is a prime.

It is a super-4 number, since 4×245054124203513⁴ (a number of 59 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245054124203813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311831360358 + ... + 2311831360463.

It is an arithmetic number, because the mean of its divisors is an integer number (62419446731097).

Almost surely, 2^{245054124203513} is an apocalyptic number.

It is an amenable number.

245054124203513 is a deficient number, since it is larger than the sum of its proper divisors (4623662720875).

245054124203513 is an equidigital number, since it uses as much as digits as its factorization.

245054124203513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623662720874.

The product of its (nonzero) digits is 576000, while the sum is 41.

The spelling of 245054124203513 in words is "two hundred forty-five trillion, fifty-four billion, one hundred twenty-four million, two hundred three thousand, five hundred thirteen".