425534123481 has 8 divisors (see below), whose sum is σ = 567382164480. Its totient is φ = 283687749072.

The previous prime is 425534123477. The next prime is 425534123491. The reversal of 425534123481 is 184321435524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425534123481 - 2² = 425534123477 is a prime.

It is a super-2 number, since 2×425534123481² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425534123401) 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 7 ways as a sum of consecutive naturals, for example, 417975 + ... + 1012803.

It is an arithmetic number, because the mean of its divisors is an integer number (70922770560).

Almost surely, 2^425534123481 is an apocalyptic number.

It is an amenable number.

425534123481 is a deficient number, since it is larger than the sum of its proper divisors (141848040999).

425534123481 is a wasteful number, since it uses less digits than its factorization.

425534123481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833295.

The product of its digits is 460800, while the sum is 42.

The spelling of 425534123481 in words is "four hundred twenty-five billion, five hundred thirty-four million, one hundred twenty-three thousand, four hundred eighty-one".