426520521060531 has 4 divisors (see below), whose sum is σ = 568694028080712. Its totient is φ = 284347014040352.

The previous prime is 426520521060497. The next prime is 426520521060533. The reversal of 426520521060531 is 135060125025624.

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 426520521060531 - 2⁶ = 426520521060467 is a prime.

It is a super-2 number, since 2×426520521060531² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (426520521060533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71086753510086 + ... + 71086753510091.

It is an arithmetic number, because the mean of its divisors is an integer number (142173507020178).

Almost surely, 2^{426520521060531} is an apocalyptic number.

426520521060531 is a deficient number, since it is larger than the sum of its proper divisors (142173507020181).

426520521060531 is a wasteful number, since it uses less digits than its factorization.

426520521060531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142173507020180.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 426520521060531 in words is "four hundred twenty-six trillion, five hundred twenty billion, five hundred twenty-one million, sixty thousand, five hundred thirty-one".