425247 has 8 divisors (see below), whose sum is σ = 591744. Its totient is φ = 271128.

The previous prime is 425237. The next prime is 425251. The reversal of 425247 is 742524.

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

It is not a de Polignac number, because 425247 - 2¹⁰ = 424223 is a prime.

It is a super-2 number, since 2×425247² = 361670022018, which contains 22 as substring.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3013 + ... + 3150.

It is an arithmetic number, because the mean of its divisors is an integer number (73968).

2⁴²⁵²⁴⁷ is an apocalyptic number.

425247 is a deficient number, since it is larger than the sum of its proper divisors (166497).

425247 is a wasteful number, since it uses less digits than its factorization.

425247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6189.

The product of its digits is 2240, while the sum is 24.

The square root of 425247 is about 652.1096533559. The cubic root of 425247 is about 75.1992921881.

The spelling of 425247 in words is "four hundred twenty-five thousand, two hundred forty-seven".