525806880523 has 2 divisors, whose sum is σ = 525806880524. Its totient is φ = 525806880522.

The previous prime is 525806880457. The next prime is 525806880617. The reversal of 525806880523 is 325088608525.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 525806880523 - 2¹⁷ = 525806749451 is a prime.

It is not a weakly prime, because it can be changed into another prime (525806880223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262903440261 + 262903440262.

It is an arithmetic number, because the mean of its divisors is an integer number (262903440262).

Almost surely, 2^525806880523 is an apocalyptic number.

525806880523 is a deficient number, since it is larger than the sum of its proper divisors (1).

525806880523 is an equidigital number, since it uses as much as digits as its factorization.

525806880523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608000, while the sum is 52.

The spelling of 525806880523 in words is "five hundred twenty-five billion, eight hundred six million, eight hundred eighty thousand, five hundred twenty-three".