2355164261 has 2 divisors, whose sum is σ = 2355164262. Its totient is φ = 2355164260.

The previous prime is 2355164257. The next prime is 2355164291. The reversal of 2355164261 is 1624615532.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2158996225 + 196168036 = 46465^2 + 14006^2 .

It is a cyclic number.

It is not a de Polignac number, because 2355164261 - 2² = 2355164257 is a prime.

It is a super-2 number, since 2×2355164261² = 11093597392583352242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2355164221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1177582130 + 1177582131.

It is an arithmetic number, because the mean of its divisors is an integer number (1177582131).

Almost surely, 2^2355164261 is an apocalyptic number.

It is an amenable number.

2355164261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2355164261 is an equidigital number, since it uses as much as digits as its factorization.

2355164261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 43200, while the sum is 35.

The square root of 2355164261 is about 48530.0346280528. The cubic root of 2355164261 is about 1330.4760692315.

Adding to 2355164261 its reverse (1624615532), we get a palindrome (3979779793).

The spelling of 2355164261 in words is "two billion, three hundred fifty-five million, one hundred sixty-four thousand, two hundred sixty-one".