61605203 has 8 divisors (see below), whose sum is σ = 68636160. Its totient is φ = 54812680.

The previous prime is 61605199. The next prime is 61605223. The reversal of 61605203 is 30250616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61605203 - 2² = 61605199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61605223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59063 + ... + 60096.

It is an arithmetic number, because the mean of its divisors is an integer number (8579520).

Almost surely, 2^61605203 is an apocalyptic number.

61605203 is a deficient number, since it is larger than the sum of its proper divisors (7030957).

61605203 is a wasteful number, since it uses less digits than its factorization.

61605203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119217.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 61605203 is about 7848.8982029327. The cubic root of 61605203 is about 394.9472834631.

Adding to 61605203 its reverse (30250616), we get a palindrome (91855819).

The spelling of 61605203 in words is "sixty-one million, six hundred five thousand, two hundred three".