425719 has 8 divisors (see below), whose sum is σ = 495008. Its totient is φ = 358560.

The previous prime is 425713. The next prime is 425779. The reversal of 425719 is 917524.

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 not a de Polignac number, because 425719 - 2⁷ = 425591 is a prime.

It is a super-2 number, since 2×425719² = 362473333922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425713) 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, 72 + ... + 925.

It is an arithmetic number, because the mean of its divisors is an integer number (61876).

2⁴²⁵⁷¹⁹ is an apocalyptic number.

425719 is a deficient number, since it is larger than the sum of its proper divisors (69289).

425719 is an equidigital number, since it uses as much as digits as its factorization.

425719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065.

The product of its digits is 2520, while the sum is 28.

The square root of 425719 is about 652.4714553143. The cubic root of 425719 is about 75.2271042142.

The spelling of 425719 in words is "four hundred twenty-five thousand, seven hundred nineteen".