425369 has 6 divisors (see below), whose sum is σ = 494874. Its totient is φ = 364560.

The previous prime is 425363. The next prime is 425377. The reversal of 425369 is 963524.

425369 = 11² + 12² + ... + 108².

It can be written as a sum of positive squares in only one way, i.e., 405769 + 19600 = 637^2 + 140^2 .

It is not a de Polignac number, because 425369 - 2¹² = 421273 is a prime.

It is a super-2 number, since 2×425369² = 361877572322, which contains 22 as substring.

It is a d-powerful number, because it can be written as 4³ + 2¹³ + 3 + 5⁷ + 6⁷ + 9⁵ .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425369.

It is not an unprimeable number, because it can be changed into a prime (425363) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4292 + ... + 4389.

It is an arithmetic number, because the mean of its divisors is an integer number (82479).

2⁴²⁵³⁶⁹ is an apocalyptic number.

425369 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

425369 is a deficient number, since it is larger than the sum of its proper divisors (69505).

425369 is an equidigital number, since it uses as much as digits as its factorization.

425369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8695 (or 8688 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 425369 is about 652.2031891980. The cubic root of 425369 is about 75.2064828612.

The spelling of 425369 in words is "four hundred twenty-five thousand, three hundred sixty-nine".