425386705 has 8 divisors (see below), whose sum is σ = 510577704. Its totient is φ = 340233600.

The previous prime is 425386651. The next prime is 425386711. The reversal of 425386705 is 507683524.

It can be written as a sum of positive squares in 4 ways, for example, as 41383489 + 384003216 = 6433^2 + 19596^2 .

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

It is not a de Polignac number, because 425386705 - 2¹¹ = 425384657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30795 + ... + 42415.

It is an arithmetic number, because the mean of its divisors is an integer number (63822213).

Almost surely, 2^425386705 is an apocalyptic number.

It is an amenable number.

425386705 is a deficient number, since it is larger than the sum of its proper divisors (85190999).

425386705 is a wasteful number, since it uses less digits than its factorization.

425386705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18947.

The product of its (nonzero) digits is 201600, while the sum is 40.

The square root of 425386705 is about 20624.9049694780. The cubic root of 425386705 is about 752.0752627865.

The spelling of 425386705 in words is "four hundred twenty-five million, three hundred eighty-six thousand, seven hundred five".