1712281513 has 4 divisors (see below), whose sum is σ = 1722179268. Its totient is φ = 1702383760.

The previous prime is 1712281507. The next prime is 1712281553. The reversal of 1712281513 is 3151822171.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3151822171 = 37 ⋅85184383.

It can be written as a sum of positive squares in 2 ways, for example, as 1615396864 + 96884649 = 40192^2 + 9843^2 .

It is a cyclic number.

It is not a de Polignac number, because 1712281513 - 2²¹ = 1710184361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1712281553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4948618 + ... + 4948963.

It is an arithmetic number, because the mean of its divisors is an integer number (430544817).

Almost surely, 2^1712281513 is an apocalyptic number.

It is an amenable number.

1712281513 is a deficient number, since it is larger than the sum of its proper divisors (9897755).

1712281513 is an equidigital number, since it uses as much as digits as its factorization.

1712281513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9897754.

The product of its digits is 3360, while the sum is 31.

The square root of 1712281513 is about 41379.7234524350. The cubic root of 1712281513 is about 1196.3503727797.

The spelling of 1712281513 in words is "one billion, seven hundred twelve million, two hundred eighty-one thousand, five hundred thirteen".