525474646474523 has 4 divisors (see below), whose sum is σ = 528410259024840. Its totient is φ = 522539033924208.

The previous prime is 525474646474511. The next prime is 525474646474579. The reversal of 525474646474523 is 325474646474525.

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 525474646474523 - 2⁴ = 525474646474507 is a prime.

It is a super-2 number, since 2×525474646474523² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (525474646474223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1467806274890 + ... + 1467806275247.

It is an arithmetic number, because the mean of its divisors is an integer number (132102564756210).

Almost surely, 2^{525474646474523} is an apocalyptic number.

525474646474523 is a deficient number, since it is larger than the sum of its proper divisors (2935612550317).

525474646474523 is a wasteful number, since it uses less digits than its factorization.

525474646474523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2935612550316.

The product of its digits is 2709504000, while the sum is 68.

The spelling of 525474646474523 in words is "five hundred twenty-five trillion, four hundred seventy-four billion, six hundred forty-six million, four hundred seventy-four thousand, five hundred twenty-three".