61603350 has 48 divisors (see below), whose sum is σ = 153688080. Its totient is φ = 16329600.

The previous prime is 61603309. The next prime is 61603379. The reversal of 61603350 is 5330616.

It is a self number, because there is not a number n which added to its sum of digits gives 61603350.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 26016 + ... + 28284.

It is an arithmetic number, because the mean of its divisors is an integer number (3201835).

Almost surely, 2^61603350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61603350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76844040).

61603350 is an abundant number, since it is smaller than the sum of its proper divisors (92084730).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61603350 is a wasteful number, since it uses less digits than its factorization.

61603350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465 (or 2460 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 61603350 is about 7848.7801599994. The cubic root of 61603350 is about 394.9433235992.

Adding to 61603350 its reverse (5330616), we get a palindrome (66933966).

The spelling of 61603350 in words is "sixty-one million, six hundred three thousand, three hundred fifty".