425250145431 has 12 divisors (see below), whose sum is σ = 614256708208. Its totient is φ = 283497097824.

The previous prime is 425250145423. The next prime is 425250145433. The reversal of 425250145431 is 134541052524.

425250145431 is a `hidden beast` number, since 4 + 2 + 52 + 50 + 14 + 543 + 1 = 666.

It is not a de Polignac number, because 425250145431 - 2³ = 425250145423 is a prime.

It is a super-2 number, since 2×425250145431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425250145433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 952611 + ... + 1325883.

Almost surely, 2^425250145431 is an apocalyptic number.

425250145431 is a deficient number, since it is larger than the sum of its proper divisors (189006562777).

425250145431 is a wasteful number, since it uses less digits than its factorization.

425250145431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499862 (or 499859 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 36.

Adding to 425250145431 its reverse (134541052524), we get a palindrome (559791197955).

It can be divided in two parts, 425 and 250145431, that added together give a square (250145856 = 15816²).

The spelling of 425250145431 in words is "four hundred twenty-five billion, two hundred fifty million, one hundred forty-five thousand, four hundred thirty-one".