5155352261 has 2 divisors, whose sum is σ = 5155352262. Its totient is φ = 5155352260.

The previous prime is 5155352201. The next prime is 5155352263. The reversal of 5155352261 is 1622535515.

5155352261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4887408100 + 267944161 = 69910^2 + 16369^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5155352261 is a prime.

Together with 5155352263, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5155352263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2577676130 + 2577676131.

It is an arithmetic number, because the mean of its divisors is an integer number (2577676131).

Almost surely, 2^5155352261 is an apocalyptic number.

It is an amenable number.

5155352261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5155352261 is an equidigital number, since it uses as much as digits as its factorization.

5155352261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 45000, while the sum is 35.

The square root of 5155352261 is about 71800.7817575826. The cubic root of 5155352261 is about 1727.5055389531.

Adding to 5155352261 its reverse (1622535515), we get a palindrome (6777887776).

The spelling of 5155352261 in words is "five billion, one hundred fifty-five million, three hundred fifty-two thousand, two hundred sixty-one".