525500819 has 2 divisors, whose sum is σ = 525500820. Its totient is φ = 525500818.

The previous prime is 525500779. The next prime is 525500827. The reversal of 525500819 is 918005525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525500819 - 2¹² = 525496723 is a prime.

It is a super-2 number, since 2×525500819² = 552302221539341522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (525500839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262750409 + 262750410.

It is an arithmetic number, because the mean of its divisors is an integer number (262750410).

Almost surely, 2^525500819 is an apocalyptic number.

525500819 is a deficient number, since it is larger than the sum of its proper divisors (1).

525500819 is an equidigital number, since it uses as much as digits as its factorization.

525500819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 525500819 is about 22923.8046362291. The cubic root of 525500819 is about 806.9707607639.

The spelling of 525500819 in words is "five hundred twenty-five million, five hundred thousand, eight hundred nineteen".