525134857867 has 2 divisors, whose sum is σ = 525134857868. Its totient is φ = 525134857866.

The previous prime is 525134857861. The next prime is 525134857873. The reversal of 525134857867 is 768758431525.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (525134857861) and next prime (525134857873).

It is a cyclic number.

It is not a de Polignac number, because 525134857867 - 2¹⁹ = 525134333579 is a prime.

It is not a weakly prime, because it can be changed into another prime (525134857861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262567428933 + 262567428934.

It is an arithmetic number, because the mean of its divisors is an integer number (262567428934).

Almost surely, 2^525134857867 is an apocalyptic number.

525134857867 is a deficient number, since it is larger than the sum of its proper divisors (1).

525134857867 is an equidigital number, since it uses as much as digits as its factorization.

525134857867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56448000, while the sum is 61.

The spelling of 525134857867 in words is "five hundred twenty-five billion, one hundred thirty-four million, eight hundred fifty-seven thousand, eight hundred sixty-seven".