425789437 has 8 divisors (see below), whose sum is σ = 431239680. Its totient is φ = 420363600.

The previous prime is 425789389. The next prime is 425789443. The reversal of 425789437 is 734987524.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425789437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425789737) 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, 30388 + ... + 42130.

It is an arithmetic number, because the mean of its divisors is an integer number (53904960).

Almost surely, 2^425789437 is an apocalyptic number.

It is an amenable number.

425789437 is a deficient number, since it is larger than the sum of its proper divisors (5450243).

425789437 is a wasteful number, since it uses less digits than its factorization.

425789437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203.

The product of its digits is 1693440, while the sum is 49.

The square root of 425789437 is about 20634.6659047342. The cubic root of 425789437 is about 752.3125286568.

The spelling of 425789437 in words is "four hundred twenty-five million, seven hundred eighty-nine thousand, four hundred thirty-seven".