245031417507513 has 128 divisors (see below), whose sum is σ = 435598806343680. Its totient is φ = 118940049930240.

The previous prime is 245031417507479. The next prime is 245031417507553. The reversal of 245031417507513 is 315705714130542.

It is a happy number.

It is not a de Polignac number, because 245031417507513 - 2⁸ = 245031417507257 is a prime.

It is a super-2 number, since 2×245031417507513² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245031417507553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 48773170 + ... + 53561972.

It is an arithmetic number, because the mean of its divisors is an integer number (3403115674560).

Almost surely, 2^{245031417507513} is an apocalyptic number.

245031417507513 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

245031417507513 is a deficient number, since it is larger than the sum of its proper divisors (190567388836167).

245031417507513 is a wasteful number, since it uses less digits than its factorization.

245031417507513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4789159.

The product of its (nonzero) digits is 1764000, while the sum is 48.

The spelling of 245031417507513 in words is "two hundred forty-five trillion, thirty-one billion, four hundred seventeen million, five hundred seven thousand, five hundred thirteen".