425949 has 8 divisors (see below), whose sum is σ = 581952. Its totient is φ = 276960.

The previous prime is 425939. The next prime is 425959. The reversal of 425949 is 949524.

It is an interprime number because it is at equal distance from previous prime (425939) and next prime (425959).

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

It is not a de Polignac number, because 425949 - 2¹⁵ = 393181 is a prime.

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425949.

It is not an unprimeable number, because it can be changed into a prime (425939) 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, 1609 + ... + 1854.

It is an arithmetic number, because the mean of its divisors is an integer number (72744).

2⁴²⁵⁹⁴⁹ is an apocalyptic number.

It is an amenable number.

425949 is a deficient number, since it is larger than the sum of its proper divisors (156003).

425949 is a wasteful number, since it uses less digits than its factorization.

425949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507.

The product of its digits is 12960, while the sum is 33.

The square root of 425949 is about 652.6476844363. The cubic root of 425949 is about 75.2406492356.

The spelling of 425949 in words is "four hundred twenty-five thousand, nine hundred forty-nine".