425235543 has 8 divisors (see below), whose sum is σ = 574966656. Its totient is φ = 279497400.

The previous prime is 425235539. The next prime is 425235617. The reversal of 425235543 is 345532524.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 425235543 - 2² = 425235539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425230543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 997993 + ... + 998418.

It is an arithmetic number, because the mean of its divisors is an integer number (71870832).

Almost surely, 2^425235543 is an apocalyptic number.

425235543 is a deficient number, since it is larger than the sum of its proper divisors (149731113).

425235543 is a wasteful number, since it uses less digits than its factorization.

425235543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1996485.

The product of its digits is 72000, while the sum is 33.

The square root of 425235543 is about 20621.2400936510. The cubic root of 425235543 is about 751.9861684258.

The spelling of 425235543 in words is "four hundred twenty-five million, two hundred thirty-five thousand, five hundred forty-three".