525403348319 has 4 divisors (see below), whose sum is σ = 535316619096. Its totient is φ = 515490077544.

The previous prime is 525403348303. The next prime is 525403348391. The reversal of 525403348319 is 913843304525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 525403348319 - 2⁴ = 525403348303 is a prime.

It is a super-2 number, since 2×525403348319² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525403348399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4956635309 + ... + 4956635414.

It is an arithmetic number, because the mean of its divisors is an integer number (133829154774).

Almost surely, 2^525403348319 is an apocalyptic number.

525403348319 is a deficient number, since it is larger than the sum of its proper divisors (9913270777).

525403348319 is an equidigital number, since it uses as much as digits as its factorization.

525403348319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9913270776.

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 525403348319 in words is "five hundred twenty-five billion, four hundred three million, three hundred forty-eight thousand, three hundred nineteen".