61541003 has 16 divisors (see below), whose sum is σ = 66951360. Its totient is φ = 56349696.

The previous prime is 61540993. The next prime is 61541021. The reversal of 61541003 is 30014516.

61541003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61541003 - 2⁸ = 61540747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61541033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150263 + ... + 150671.

It is an arithmetic number, because the mean of its divisors is an integer number (4184460).

Almost surely, 2^61541003 is an apocalyptic number.

61541003 is a deficient number, since it is larger than the sum of its proper divisors (5410357).

61541003 is a wasteful number, since it uses less digits than its factorization.

61541003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 61541003 is about 7844.8073908797. The cubic root of 61541003 is about 394.8100416538.

Adding to 61541003 its reverse (30014516), we get a palindrome (91555519).

The spelling of 61541003 in words is "sixty-one million, five hundred forty-one thousand, three".