61243350 has 192 divisors, whose sum is σ = 190273536. Its totient is φ = 12718080.

The previous prime is 61243349. The next prime is 61243379. The reversal of 61243350 is 5334216.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 61243350.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 838914 + ... + 838986.

It is an arithmetic number, because the mean of its divisors is an integer number (991008).

Almost surely, 2^61243350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61243350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95136768).

61243350 is an abundant number, since it is smaller than the sum of its proper divisors (129030186).

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

61243350 is a wasteful number, since it uses less digits than its factorization.

61243350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 61243350 is about 7825.8130568012. The cubic root of 61243350 is about 394.1724918325.

Adding to 61243350 its reverse (5334216), we get a palindrome (66577566).

The spelling of 61243350 in words is "sixty-one million, two hundred forty-three thousand, three hundred fifty".