1712327261 has 4 divisors (see below), whose sum is σ = 1813052412. Its totient is φ = 1611602112.

The previous prime is 1712327249. The next prime is 1712327263. The reversal of 1712327261 is 1627232171.

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 1224580036 + 487747225 = 34994^2 + 22085^2 .

It is a cyclic number.

It is not a de Polignac number, because 1712327261 - 2²⁶ = 1645218397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1712327263) 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, 50362550 + ... + 50362583.

It is an arithmetic number, because the mean of its divisors is an integer number (453263103).

Almost surely, 2^1712327261 is an apocalyptic number.

It is an amenable number.

1712327261 is a deficient number, since it is larger than the sum of its proper divisors (100725151).

1712327261 is a wasteful number, since it uses less digits than its factorization.

1712327261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100725150.

The product of its digits is 7056, while the sum is 32.

The square root of 1712327261 is about 41380.2762315575. The cubic root of 1712327261 is about 1196.3610272095.

The spelling of 1712327261 in words is "one billion, seven hundred twelve million, three hundred twenty-seven thousand, two hundred sixty-one".