3216712501 has 2 divisors, whose sum is σ = 3216712502. Its totient is φ = 3216712500.

The previous prime is 3216712469. The next prime is 3216712529. The reversal of 3216712501 is 1052176123.

It is a happy number.

It is an a-pointer prime, because the next prime (3216712529) can be obtained adding 3216712501 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3024890001 + 191822500 = 54999^2 + 13850^2 .

It is an emirp because it is prime and its reverse (1052176123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3216712501 - 2⁵ = 3216712469 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3216712501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3216712531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608356250 + 1608356251.

It is an arithmetic number, because the mean of its divisors is an integer number (1608356251).

Almost surely, 2^3216712501 is an apocalyptic number.

It is an amenable number.

3216712501 is a deficient number, since it is larger than the sum of its proper divisors (1).

3216712501 is an equidigital number, since it uses as much as digits as its factorization.

3216712501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 3216712501 is about 56716.0691603359. The cubic root of 3216712501 is about 1476.1735371553.

Adding to 3216712501 its reverse (1052176123), we get a palindrome (4268888624).

The spelling of 3216712501 in words is "three billion, two hundred sixteen million, seven hundred twelve thousand, five hundred one".