61331050 has 48 divisors (see below), whose sum is σ = 131018400. Its totient is φ = 21124800.

The previous prime is 61330999. The next prime is 61331077. The reversal of 61331050 is 5013316.

It is a super-2 number, since 2×61331050² = 7522995388205000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7516 + ... + 13384.

It is an arithmetic number, because the mean of its divisors is an integer number (2729550).

Almost surely, 2^61331050 is an apocalyptic number.

61331050 is an abundant number, since it is smaller than the sum of its proper divisors (69687350).

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

61331050 is a wasteful number, since it uses less digits than its factorization.

61331050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5911 (or 5906 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 61331050 is about 7831.4143039428. The cubic root of 61331050 is about 394.3605527394.

Adding to 61331050 its reverse (5013316), we get a palindrome (66344366).

The spelling of 61331050 in words is "sixty-one million, three hundred thirty-one thousand, fifty".