1601534234 has 4 divisors (see below), whose sum is σ = 2402301354. Its totient is φ = 800767116.

The previous prime is 1601534213. The next prime is 1601534243. The reversal of 1601534234 is 4324351061.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1570140625 + 31393609 = 39625^2 + 5603^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1601534197 and 1601534206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 400383557 + ... + 400383560.

Almost surely, 2^1601534234 is an apocalyptic number.

1601534234 is a deficient number, since it is larger than the sum of its proper divisors (800767120).

1601534234 is an equidigital number, since it uses as much as digits as its factorization.

1601534234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800767119.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 1601534234 is about 40019.1733297928. The cubic root of 1601534234 is about 1169.9808198088.

Adding to 1601534234 its reverse (4324351061), we get a palindrome (5925885295).

The spelling of 1601534234 in words is "one billion, six hundred one million, five hundred thirty-four thousand, two hundred thirty-four".