61045003 has 2 divisors, whose sum is σ = 61045004. Its totient is φ = 61045002.

The previous prime is 61044989. The next prime is 61045027. The reversal of 61045003 is 30054016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61045003 - 2²¹ = 58947851 is a prime.

It is not a weakly prime, because it can be changed into another prime (61045063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30522501 + 30522502.

It is an arithmetic number, because the mean of its divisors is an integer number (30522502).

Almost surely, 2^61045003 is an apocalyptic number.

61045003 is a deficient number, since it is larger than the sum of its proper divisors (1).

61045003 is an equidigital number, since it uses as much as digits as its factorization.

61045003 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 61045003 is about 7813.1301665850. The cubic root of 61045003 is about 393.7465000781.

Adding to 61045003 its reverse (30054016), we get a palindrome (91099019).

The spelling of 61045003 in words is "sixty-one million, forty-five thousand, three".