5261325409 has 2 divisors, whose sum is σ = 5261325410. Its totient is φ = 5261325408.

The previous prime is 5261325403. The next prime is 5261325437. The reversal of 5261325409 is 9045231625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5027235409 + 234090000 = 70903^2 + 15300^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5261325409 is a prime.

It is not a weakly prime, because it can be changed into another prime (5261325403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630662704 + 2630662705.

It is an arithmetic number, because the mean of its divisors is an integer number (2630662705).

Almost surely, 2^5261325409 is an apocalyptic number.

It is an amenable number.

5261325409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261325409 is an equidigital number, since it uses as much as digits as its factorization.

5261325409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 5261325409 is about 72534.9943751290. The cubic root of 5261325409 is about 1739.2621843242.

The spelling of 5261325409 in words is "five billion, two hundred sixty-one million, three hundred twenty-five thousand, four hundred nine".