525605603 has 2 divisors, whose sum is σ = 525605604. Its totient is φ = 525605602.

The previous prime is 525605579. The next prime is 525605617. The reversal of 525605603 is 306506525.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 525605603 - 2¹⁸ = 525343459 is a prime.

It is a super-2 number, since 2×525605603² = 552522499809987218, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 525605603.

It is not a weakly prime, because it can be changed into another prime (525605623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 262802801 + 262802802.

It is an arithmetic number, because the mean of its divisors is an integer number (262802802).

Almost surely, 2^525605603 is an apocalyptic number.

525605603 is a deficient number, since it is larger than the sum of its proper divisors (1).

525605603 is an equidigital number, since it uses as much as digits as its factorization.

525605603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 32.

The square root of 525605603 is about 22926.0900068023. The cubic root of 525605603 is about 807.0243934140.

The spelling of 525605603 in words is "five hundred twenty-five million, six hundred five thousand, six hundred three".