425312430161 has 4 divisors (see below), whose sum is σ = 425315799024. Its totient is φ = 425309061300.

The previous prime is 425312430157. The next prime is 425312430217. The reversal of 425312430161 is 161034213524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 425312430161 - 2² = 425312430157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425312430661) 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, 1487375 + ... + 1750116.

It is an arithmetic number, because the mean of its divisors is an integer number (106328949756).

Almost surely, 2^425312430161 is an apocalyptic number.

It is an amenable number.

425312430161 is a deficient number, since it is larger than the sum of its proper divisors (3368863).

425312430161 is a wasteful number, since it uses less digits than its factorization.

425312430161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3368862.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 425312430161 its reverse (161034213524), we get a palindrome (586346643685).

The spelling of 425312430161 in words is "four hundred twenty-five billion, three hundred twelve million, four hundred thirty thousand, one hundred sixty-one".