425043131 has 2 divisors, whose sum is σ = 425043132. Its totient is φ = 425043130.

The previous prime is 425043127. The next prime is 425043173. The reversal of 425043131 is 131340524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425043131 - 2² = 425043127 is a prime.

It is a super-2 number, since 2×425043131² = 361323326420566322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 425043097 and 425043106.

It is not a weakly prime, because it can be changed into another prime (425043191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212521565 + 212521566.

It is an arithmetic number, because the mean of its divisors is an integer number (212521566).

Almost surely, 2^425043131 is an apocalyptic number.

425043131 is a deficient number, since it is larger than the sum of its proper divisors (1).

425043131 is an equidigital number, since it uses as much as digits as its factorization.

425043131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 425043131 is about 20616.5741819537. The cubic root of 425043131 is about 751.8727309095.

Adding to 425043131 its reverse (131340524), we get a palindrome (556383655).

The spelling of 425043131 in words is "four hundred twenty-five million, forty-three thousand, one hundred thirty-one".