5261288443 has 2 divisors, whose sum is σ = 5261288444. Its totient is φ = 5261288442.

The previous prime is 5261288419. The next prime is 5261288447. The reversal of 5261288443 is 3448821625.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5261288443 - 2⁹ = 5261287931 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5261288443.

It is not a weakly prime, because it can be changed into another prime (5261288447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2630644221 + 2630644222.

It is an arithmetic number, because the mean of its divisors is an integer number (2630644222).

Almost surely, 2^5261288443 is an apocalyptic number.

5261288443 is a deficient number, since it is larger than the sum of its proper divisors (1).

5261288443 is an equidigital number, since it uses as much as digits as its factorization.

5261288443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 368640, while the sum is 43.

The square root of 5261288443 is about 72534.7395597447. The cubic root of 5261288443 is about 1739.2581109706.

The spelling of 5261288443 in words is "five billion, two hundred sixty-one million, two hundred eighty-eight thousand, four hundred forty-three".