1613465 has 8 divisors (see below), whose sum is σ = 2212800. Its totient is φ = 1106352.

The previous prime is 1613441. The next prime is 1613471. The reversal of 1613465 is 5643161.

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 1613465 - 2¹⁴ = 1597081 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23015 + ... + 23084.

It is an arithmetic number, because the mean of its divisors is an integer number (276600).

2^1613465 is an apocalyptic number.

It is an amenable number.

1613465 is a deficient number, since it is larger than the sum of its proper divisors (599335).

1613465 is an equidigital number, since it uses as much as digits as its factorization.

1613465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46111.

The product of its digits is 2160, while the sum is 26.

The square root of 1613465 is about 1270.2224214680. Note that the first 3 decimals coincide. The cubic root of 1613465 is about 117.2878925782.

The spelling of 1613465 in words is "one million, six hundred thirteen thousand, four hundred sixty-five".