425814143 has 2 divisors, whose sum is σ = 425814144. Its totient is φ = 425814142.

The previous prime is 425814139. The next prime is 425814161. The reversal of 425814143 is 341418524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 425814143 - 2² = 425814139 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425814133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212907071 + 212907072.

It is an arithmetic number, because the mean of its divisors is an integer number (212907072).

Almost surely, 2^425814143 is an apocalyptic number.

425814143 is a deficient number, since it is larger than the sum of its proper divisors (1).

425814143 is an equidigital number, since it uses as much as digits as its factorization.

425814143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15360, while the sum is 32.

The square root of 425814143 is about 20635.2645488251. The cubic root of 425814143 is about 752.3270790990.

It can be divided in two parts, 42 and 5814143, that added together give a palindrome (5814185).

The spelling of 425814143 in words is "four hundred twenty-five million, eight hundred fourteen thousand, one hundred forty-three".