425653843 has 4 divisors (see below), whose sum is σ = 425834848. Its totient is φ = 425472840.

The previous prime is 425653831. The next prime is 425653849. The reversal of 425653843 is 348356524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425653843 - 2⁹ = 425653331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425653796 and 425653805.

It is not an unprimeable number, because it can be changed into a prime (425653849) 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, 86928 + ... + 91693.

It is an arithmetic number, because the mean of its divisors is an integer number (106458712).

Almost surely, 2^425653843 is an apocalyptic number.

425653843 is a deficient number, since it is larger than the sum of its proper divisors (181005).

425653843 is a wasteful number, since it uses less digits than its factorization.

425653843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181004.

The product of its digits is 345600, while the sum is 40.

The square root of 425653843 is about 20631.3800556337. The cubic root of 425653843 is about 752.2326614059.

The spelling of 425653843 in words is "four hundred twenty-five million, six hundred fifty-three thousand, eight hundred forty-three".