5119262261 has 2 divisors, whose sum is σ = 5119262262. Its totient is φ = 5119262260.

The previous prime is 5119262251. The next prime is 5119262287. The reversal of 5119262261 is 1622629115.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4932393361 + 186868900 = 70231^2 + 13670^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5119262261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5119262251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2559631130 + 2559631131.

It is an arithmetic number, because the mean of its divisors is an integer number (2559631131).

Almost surely, 2^5119262261 is an apocalyptic number.

It is an amenable number.

5119262261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5119262261 is an equidigital number, since it uses as much as digits as its factorization.

5119262261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 35.

The square root of 5119262261 is about 71549.0199863003. The cubic root of 5119262261 is about 1723.4649662526.

The spelling of 5119262261 in words is "five billion, one hundred nineteen million, two hundred sixty-two thousand, two hundred sixty-one".