425577 has 8 divisors (see below), whose sum is σ = 572416. Its totient is φ = 281232.

The previous prime is 425563. The next prime is 425591. The reversal of 425577 is 775524.

It is an interprime number because it is at equal distance from previous prime (425563) and next prime (425591).

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

It is not a de Polignac number, because 425577 - 2¹⁵ = 392809 is a prime.

It is a super-2 number, since 2×425577² = 362231565858, which contains 22 as substring.

It is a Duffinian number.

425577 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425577.

It is not an unprimeable number, because it can be changed into a prime (425377) 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, 178 + ... + 939.

It is an arithmetic number, because the mean of its divisors is an integer number (71552).

2⁴²⁵⁵⁷⁷ is an apocalyptic number.

It is an amenable number.

425577 is a deficient number, since it is larger than the sum of its proper divisors (146839).

425577 is a wasteful number, since it uses less digits than its factorization.

425577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247.

The product of its digits is 9800, while the sum is 30.

The square root of 425577 is about 652.3626292178. The cubic root of 425577 is about 75.2187391997.

The spelling of 425577 in words is "four hundred twenty-five thousand, five hundred seventy-seven".