61000503 has 8 divisors (see below), whose sum is σ = 81389568. Its totient is φ = 40639224.

The previous prime is 61000493. The next prime is 61000517. The reversal of 61000503 is 30500016.

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

It is not a de Polignac number, because 61000503 - 2¹² = 60996407 is a prime.

It is a super-2 number, since 2×61000503² = 7442122732506018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61000523) 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, 1125 + ... + 11102.

It is an arithmetic number, because the mean of its divisors is an integer number (10173696).

Almost surely, 2^61000503 is an apocalyptic number.

61000503 is a deficient number, since it is larger than the sum of its proper divisors (20389065).

61000503 is a wasteful number, since it uses less digits than its factorization.

61000503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13893.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 61000503 is about 7810.2818771156. The cubic root of 61000503 is about 393.6508003062.

Adding to 61000503 its reverse (30500016), we get a palindrome (91500519).

The spelling of 61000503 in words is "sixty-one million, five hundred three", and thus it is an aban number.