61711203 has 4 divisors (see below), whose sum is σ = 82281608. Its totient is φ = 41140800.

The previous prime is 61711201. The next prime is 61711211. The reversal of 61711203 is 30211716.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61711203 - 2¹ = 61711201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61711203.

It is not an unprimeable number, because it can be changed into a prime (61711201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10285198 + ... + 10285203.

It is an arithmetic number, because the mean of its divisors is an integer number (20570402).

Almost surely, 2^61711203 is an apocalyptic number.

61711203 is a deficient number, since it is larger than the sum of its proper divisors (20570405).

61711203 is a wasteful number, since it uses less digits than its factorization.

61711203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20570404.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 61711203 is about 7855.6478408849. The cubic root of 61711203 is about 395.1736735613.

Adding to 61711203 its reverse (30211716), we get a palindrome (91922919).

The spelling of 61711203 in words is "sixty-one million, seven hundred eleven thousand, two hundred three".