735161 has 4 divisors (see below), whose sum is σ = 840192. Its totient is φ = 630132.

The previous prime is 735157. The next prime is 735169. The reversal of 735161 is 161537.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 161537 = 67 ⋅2411.

It is a cyclic number.

It is not a de Polignac number, because 735161 - 2² = 735157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (735169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52505 + ... + 52518.

It is an arithmetic number, because the mean of its divisors is an integer number (210048).

2⁷³⁵¹⁶¹ is an apocalyptic number.

It is an amenable number.

735161 is a deficient number, since it is larger than the sum of its proper divisors (105031).

735161 is a wasteful number, since it uses less digits than its factorization.

735161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105030.

The product of its digits is 630, while the sum is 23.

The square root of 735161 is about 857.4153019395. The cubic root of 735161 is about 90.2528281841.

Adding to 735161 its reverse (161537), we get a palindrome (896698).

The spelling of 735161 in words is "seven hundred thirty-five thousand, one hundred sixty-one".