3135664261 has 2 divisors, whose sum is σ = 3135664262. Its totient is φ = 3135664260.

The previous prime is 3135664241. The next prime is 3135664309. The reversal of 3135664261 is 1624665313.

3135664261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2139062500 + 996601761 = 46250^2 + 31569^2 .

It is an emirp because it is prime and its reverse (1624665313) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3135664261 is a prime.

It is a super-2 number, since 2×3135664261² = 19664780715425352242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3135664261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3135664241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567832130 + 1567832131.

It is an arithmetic number, because the mean of its divisors is an integer number (1567832131).

Almost surely, 2^3135664261 is an apocalyptic number.

It is an amenable number.

3135664261 is a deficient number, since it is larger than the sum of its proper divisors (1).

3135664261 is an equidigital number, since it uses as much as digits as its factorization.

3135664261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 37.

The square root of 3135664261 is about 55997.0022501205. The cubic root of 3135664261 is about 1463.6700469562.

The spelling of 3135664261 in words is "three billion, one hundred thirty-five million, six hundred sixty-four thousand, two hundred sixty-one".