10503561 has 8 divisors (see below), whose sum is σ = 14741920. Its totient is φ = 6633792.

The previous prime is 10503553. The next prime is 10503583. The reversal of 10503561 is 16530501.

It is a happy number.

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

It is not a de Polignac number, because 10503561 - 2³ = 10503553 is a prime.

It is a super-2 number, since 2×10503561² = 220649587361442, 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 (10503551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92080 + ... + 92193.

It is an arithmetic number, because the mean of its divisors is an integer number (1842740).

Almost surely, 2^10503561 is an apocalyptic number.

It is an amenable number.

10503561 is a deficient number, since it is larger than the sum of its proper divisors (4238359).

10503561 is a wasteful number, since it uses less digits than its factorization.

10503561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184295.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 10503561 is about 3240.9197768535. The cubic root of 10503561 is about 219.0007089070. Note that the first 3 decimals are identical.

The spelling of 10503561 in words is "ten million, five hundred three thousand, five hundred sixty-one".