525764271856487 has 2 divisors, whose sum is σ = 525764271856488. Its totient is φ = 525764271856486.

The previous prime is 525764271856469. The next prime is 525764271856501. The reversal of 525764271856487 is 784658172467525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525764271856487 - 2⁴⁶ = 455395527678823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525764271856427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262882135928243 + 262882135928244.

It is an arithmetic number, because the mean of its divisors is an integer number (262882135928244).

Almost surely, 2^{525764271856487} is an apocalyptic number.

525764271856487 is a deficient number, since it is larger than the sum of its proper divisors (1).

525764271856487 is an equidigital number, since it uses as much as digits as its factorization.

525764271856487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6322176000, while the sum is 77.

The spelling of 525764271856487 in words is "five hundred twenty-five trillion, seven hundred sixty-four billion, two hundred seventy-one million, eight hundred fifty-six thousand, four hundred eighty-seven".