10349561 has 4 divisors (see below), whose sum is σ = 10356324. Its totient is φ = 10342800.

The previous prime is 10349539. The next prime is 10349569. The reversal of 10349561 is 16594301.

10349561 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 16594301 = 3677 ⋅4513.

It can be written as a sum of positive squares in 2 ways, for example, as 7728400 + 2621161 = 2780^2 + 1619^2 .

It is a cyclic number.

It is not a de Polignac number, because 10349561 - 2¹⁰ = 10348537 is a prime.

It is a super-2 number, since 2×10349561² = 214226825785442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10349569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131 + ... + 4551.

It is an arithmetic number, because the mean of its divisors is an integer number (2589081).

Almost surely, 2^10349561 is an apocalyptic number.

It is an amenable number.

10349561 is a deficient number, since it is larger than the sum of its proper divisors (6763).

10349561 is an equidigital number, since it uses as much as digits as its factorization.

10349561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6762.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 10349561 is about 3217.0733594371. The cubic root of 10349561 is about 217.9251278947.

The spelling of 10349561 in words is "ten million, three hundred forty-nine thousand, five hundred sixty-one".