425593947 has 8 divisors (see below), whose sum is σ = 585763840. Its totient is φ = 274576680.

The previous prime is 425593877. The next prime is 425593969. The reversal of 425593947 is 749395524.

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

It is not a de Polignac number, because 425593947 - 2¹¹ = 425591899 is a prime.

It is a super-3 number, since 3×425593947³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 425593896 and 425593905.

It is not an unprimeable number, because it can be changed into a prime (425593247) 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, 2288047 + ... + 2288232.

It is an arithmetic number, because the mean of its divisors is an integer number (73220480).

Almost surely, 2^425593947 is an apocalyptic number.

425593947 is a deficient number, since it is larger than the sum of its proper divisors (160169893).

425593947 is a wasteful number, since it uses less digits than its factorization.

425593947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4576313.

The product of its digits is 1360800, while the sum is 48.

The square root of 425593947 is about 20629.9284293475. The cubic root of 425593947 is about 752.1973762075.

The spelling of 425593947 in words is "four hundred twenty-five million, five hundred ninety-three thousand, nine hundred forty-seven".