3165720053 has 2 divisors, whose sum is σ = 3165720054. Its totient is φ = 3165720052.

The previous prime is 3165720049. The next prime is 3165720067. The reversal of 3165720053 is 3500275613.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3080028004 + 85692049 = 55498^2 + 9257^2 .

It is a cyclic number.

It is not a de Polignac number, because 3165720053 - 2² = 3165720049 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3165720013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1582860026 + 1582860027.

It is an arithmetic number, because the mean of its divisors is an integer number (1582860027).

Almost surely, 2^3165720053 is an apocalyptic number.

It is an amenable number.

3165720053 is a deficient number, since it is larger than the sum of its proper divisors (1).

3165720053 is an equidigital number, since it uses as much as digits as its factorization.

3165720053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 32.

The square root of 3165720053 is about 56264.7318753053. The cubic root of 3165720053 is about 1468.3316802151.

Adding to 3165720053 its reverse (3500275613), we get a palindrome (6665995666).

The spelling of 3165720053 in words is "three billion, one hundred sixty-five million, seven hundred twenty thousand, fifty-three".