425558860481 has 4 divisors (see below), whose sum is σ = 425560717764. Its totient is φ = 425557003200.

The previous prime is 425558860471. The next prime is 425558860511. The reversal of 425558860481 is 184068855524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 249460291600 + 176098568881 = 499460^2 + 419641^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425558860481 is a prime.

It is a super-2 number, since 2×425558860481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425558860471) 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, 527060 + ... + 1062501.

It is an arithmetic number, because the mean of its divisors is an integer number (106390179441).

Almost surely, 2^425558860481 is an apocalyptic number.

It is an amenable number.

425558860481 is a deficient number, since it is larger than the sum of its proper divisors (1857283).

425558860481 is a wasteful number, since it uses less digits than its factorization.

425558860481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857282.

The product of its (nonzero) digits is 12288000, while the sum is 56.

The spelling of 425558860481 in words is "four hundred twenty-five billion, five hundred fifty-eight million, eight hundred sixty thousand, four hundred eighty-one".