525382276813 has 2 divisors, whose sum is σ = 525382276814. Its totient is φ = 525382276812.

The previous prime is 525382276799. The next prime is 525382276823. The reversal of 525382276813 is 318672283525.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 505809707209 + 19572569604 = 711203^2 + 139902^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-525382276813 is a prime.

It is a super-3 number, since 3×525382276813³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (525382276823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262691138406 + 262691138407.

It is an arithmetic number, because the mean of its divisors is an integer number (262691138407).

Almost surely, 2^525382276813 is an apocalyptic number.

It is an amenable number.

525382276813 is a deficient number, since it is larger than the sum of its proper divisors (1).

525382276813 is an equidigital number, since it uses as much as digits as its factorization.

525382276813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4838400, while the sum is 52.

The spelling of 525382276813 in words is "five hundred twenty-five billion, three hundred eighty-two million, two hundred seventy-six thousand, eight hundred thirteen".