1601285 has 8 divisors (see below), whose sum is σ = 2196096. Its totient is φ = 1098000.

The previous prime is 1601273. The next prime is 1601287. The reversal of 1601285 is 5821061.

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

It is not a de Polignac number, because 1601285 - 2⁴ = 1601269 is a prime.

It is a super-2 number, since 2×1601285² = 5128227302450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1601285.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1601287) 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, 22841 + ... + 22910.

It is an arithmetic number, because the mean of its divisors is an integer number (274512).

2^1601285 is an apocalyptic number.

It is an amenable number.

1601285 is a deficient number, since it is larger than the sum of its proper divisors (594811).

1601285 is an equidigital number, since it uses as much as digits as its factorization.

1601285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45763.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 1601285 is about 1265.4189029725. The cubic root of 1601285 is about 116.9920125066.

The spelling of 1601285 in words is "one million, six hundred one thousand, two hundred eighty-five".