10503161 has 8 divisors (see below), whose sum is σ = 11161800. Its totient is φ = 9849088.

The previous prime is 10503139. The next prime is 10503179. The reversal of 10503161 is 16130501.

It can be written as a sum of positive squares in 4 ways, for example, as 1836025 + 8667136 = 1355^2 + 2944^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10503161 is a prime.

It is a super-2 number, since 2×10503161² = 220632781983842, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10503061) by changing a digit.

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, 4415 + ... + 6363.

It is an arithmetic number, because the mean of its divisors is an integer number (1395225).

Almost surely, 2^10503161 is an apocalyptic number.

It is an amenable number.

10503161 is a deficient number, since it is larger than the sum of its proper divisors (658639).

10503161 is a wasteful number, since it uses less digits than its factorization.

10503161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 10503161 is about 3240.8580653895. The cubic root of 10503161 is about 218.9979288532.

Adding to 10503161 its reverse (16130501), we get a palindrome (26633662).

The spelling of 10503161 in words is "ten million, five hundred three thousand, one hundred sixty-one".