61489303 has 2 divisors, whose sum is σ = 61489304. Its totient is φ = 61489302.

The previous prime is 61489297. The next prime is 61489319. The reversal of 61489303 is 30398416.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-61489303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61489333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30744651 + 30744652.

It is an arithmetic number, because the mean of its divisors is an integer number (30744652).

Almost surely, 2^61489303 is an apocalyptic number.

61489303 is a deficient number, since it is larger than the sum of its proper divisors (1).

61489303 is an equidigital number, since it uses as much as digits as its factorization.

61489303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 61489303 is about 7841.5115252099. The cubic root of 61489303 is about 394.6994519834.

It can be divided in two parts, 6148 and 9303, that added together give a palindrome (15451).

The spelling of 61489303 in words is "sixty-one million, four hundred eighty-nine thousand, three hundred three".