245303223513 has 4 divisors (see below), whose sum is σ = 327070964688. Its totient is φ = 163535482340.

The previous prime is 245303223437. The next prime is 245303223527. The reversal of 245303223513 is 315322303542.

245303223513 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 245303223513 - 2¹³ = 245303215321 is a prime.

It is a super-2 number, since 2×245303223513² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245303203513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40883870583 + ... + 40883870588.

It is an arithmetic number, because the mean of its divisors is an integer number (81767741172).

Almost surely, 2^245303223513 is an apocalyptic number.

It is an amenable number.

245303223513 is a deficient number, since it is larger than the sum of its proper divisors (81767741175).

245303223513 is an equidigital number, since it uses as much as digits as its factorization.

245303223513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81767741174.

The product of its (nonzero) digits is 64800, while the sum is 33.

The spelling of 245303223513 in words is "two hundred forty-five billion, three hundred three million, two hundred twenty-three thousand, five hundred thirteen".