425424243 has 8 divisors (see below), whose sum is σ = 574412800. Its totient is φ = 280025928.

The previous prime is 425424173. The next prime is 425424271. The reversal of 425424243 is 342424524.

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

It is not a de Polignac number, because 425424243 - 2⁹ = 425423731 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425424243.

It is not an unprimeable number, because it can be changed into a prime (425424143) 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, 897283 + ... + 897756.

It is an arithmetic number, because the mean of its divisors is an integer number (71801600).

Almost surely, 2^425424243 is an apocalyptic number.

425424243 is a deficient number, since it is larger than the sum of its proper divisors (148988557).

425424243 is a wasteful number, since it uses less digits than its factorization.

425424243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795121.

The product of its digits is 30720, while the sum is 30.

The square root of 425424243 is about 20625.8149657171. The cubic root of 425424243 is about 752.0973842825.

Adding to 425424243 its reverse (342424524), we get a palindrome (767848767).

The spelling of 425424243 in words is "four hundred twenty-five million, four hundred twenty-four thousand, two hundred forty-three".