61244216 has 32 divisors (see below), whose sum is σ = 130723200. Its totient is φ = 26627040.

The previous prime is 61244177. The next prime is 61244221.

61244216 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13106 + ... + 17153.

It is an arithmetic number, because the mean of its divisors is an integer number (4085100).

Almost surely, 2^61244216 is an apocalyptic number.

It is an amenable number.

61244216 is an abundant number, since it is smaller than the sum of its proper divisors (69478984).

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

61244216 is a wasteful number, since it uses less digits than its factorization.

61244216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30299 (or 30295 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 61244216 is about 7825.8683863198. The cubic root of 61244216 is about 394.1743497309.

The spelling of 61244216 in words is "sixty-one million, two hundred forty-four thousand, two hundred sixteen".