61010503 has 2 divisors, whose sum is σ = 61010504. Its totient is φ = 61010502.

The previous prime is 61010483. The next prime is 61010527. The reversal of 61010503 is 30501016.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61010503 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61010203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30505251 + 30505252.

It is an arithmetic number, because the mean of its divisors is an integer number (30505252).

Almost surely, 2^61010503 is an apocalyptic number.

61010503 is a deficient number, since it is larger than the sum of its proper divisors (1).

61010503 is an equidigital number, since it uses as much as digits as its factorization.

61010503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 61010503 is about 7810.9220326412. The cubic root of 61010503 is about 393.6723099262.

Adding to 61010503 its reverse (30501016), we get a palindrome (91511519).

The spelling of 61010503 in words is "sixty-one million, ten thousand, five hundred three".