61061330 has 32 divisors (see below), whose sum is σ = 120294720. Its totient is φ = 22131520.

The previous prime is 61061323. The next prime is 61061339. The reversal of 61061330 is 3316016.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61061339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42077 + ... + 43503.

It is an arithmetic number, because the mean of its divisors is an integer number (3759210).

Almost surely, 2^61061330 is an apocalyptic number.

61061330 is a deficient number, since it is larger than the sum of its proper divisors (59233390).

61061330 is a wasteful number, since it uses less digits than its factorization.

61061330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 61061330 is about 7814.1749404528. The cubic root of 61061330 is about 393.7816005544.

Adding to 61061330 its reverse (3316016), we get a palindrome (64377346).

The spelling of 61061330 in words is "sixty-one million, sixty-one thousand, three hundred thirty".