425685401 has 8 divisors (see below), whose sum is σ = 429381000. Its totient is φ = 422001280.

The previous prime is 425685383. The next prime is 425685419. The reversal of 425685401 is 104586524.

It is an interprime number because it is at equal distance from previous prime (425685383) and next prime (425685419).

It can be written as a sum of positive squares in 4 ways, for example, as 21715600 + 403969801 = 4660^2 + 20099^2 .

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 425685401 - 2¹⁰ = 425684377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425682401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82271 + ... + 87291.

It is an arithmetic number, because the mean of its divisors is an integer number (53672625).

Almost surely, 2^425685401 is an apocalyptic number.

It is an amenable number.

425685401 is a deficient number, since it is larger than the sum of its proper divisors (3695599).

425685401 is a wasteful number, since it uses less digits than its factorization.

425685401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5739.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 425685401 is about 20632.1448473008. The cubic root of 425685401 is about 752.2512511372.

The spelling of 425685401 in words is "four hundred twenty-five million, six hundred eighty-five thousand, four hundred one".