61069503 has 16 divisors (see below), whose sum is σ = 90896256. Its totient is φ = 36150240.

The previous prime is 61069487. The next prime is 61069507. The reversal of 61069503 is 30596016.

It is a happy number.

It is not a de Polignac number, because 61069503 - 2⁴ = 61069487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61069507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20100 + ... + 22937.

It is an arithmetic number, because the mean of its divisors is an integer number (5681016).

Almost surely, 2^61069503 is an apocalyptic number.

61069503 is a deficient number, since it is larger than the sum of its proper divisors (29826753).

61069503 is a wasteful number, since it uses less digits than its factorization.

61069503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43094.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 61069503 is about 7814.6978828359. The cubic root of 61069503 is about 393.7991688662.

The spelling of 61069503 in words is "sixty-one million, sixty-nine thousand, five hundred three".