425469 has 8 divisors (see below), whose sum is σ = 618912. Its totient is φ = 257840.

The previous prime is 425443. The next prime is 425471. The reversal of 425469 is 964524.

425469 = 10² + 11² + ... + 108².

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

It is not a de Polignac number, because 425469 - 2¹⁷ = 294397 is a prime.

It is a super-2 number, since 2×425469² = 362047739922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425419) 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, 6414 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (77364).

2⁴²⁵⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

425469 is a deficient number, since it is larger than the sum of its proper divisors (193443).

425469 is a wasteful number, since it uses less digits than its factorization.

425469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12907.

The product of its digits is 8640, while the sum is 30.

The square root of 425469 is about 652.2798479181. The cubic root of 425469 is about 75.2123758302.

The spelling of 425469 in words is "four hundred twenty-five thousand, four hundred sixty-nine".