425421041231 has 2 divisors, whose sum is σ = 425421041232. Its totient is φ = 425421041230.

The previous prime is 425421041203. The next prime is 425421041263. The reversal of 425421041231 is 132140124524.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425421041231 is a prime.

It is a super-2 number, since 2×425421041231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425421041194 and 425421041203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425421044231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212710520615 + 212710520616.

It is an arithmetic number, because the mean of its divisors is an integer number (212710520616).

Almost surely, 2^425421041231 is an apocalyptic number.

425421041231 is a deficient number, since it is larger than the sum of its proper divisors (1).

425421041231 is an equidigital number, since it uses as much as digits as its factorization.

425421041231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 425421041231 its reverse (132140124524), we get a palindrome (557561165755).

The spelling of 425421041231 in words is "four hundred twenty-five billion, four hundred twenty-one million, forty-one thousand, two hundred thirty-one".