5261304791 has 2 divisors, whose sum is σ = 5261304792. Its totient is φ = 5261304790.

The previous prime is 5261304767. The next prime is 5261304833. The reversal of 5261304791 is 1974031625.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5261304791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5261304701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630652395 + 2630652396.

It is an arithmetic number, because the mean of its divisors is an integer number (2630652396).

Almost surely, 2^5261304791 is an apocalyptic number.

5261304791 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261304791 is an equidigital number, since it uses as much as digits as its factorization.

5261304791 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 5261304791 is about 72534.8522504871. The cubic root of 5261304791 is about 1739.2599123901.

The spelling of 5261304791 in words is "five billion, two hundred sixty-one million, three hundred four thousand, seven hundred ninety-one".