61300540 has 24 divisors (see below), whose sum is σ = 147121632. Its totient is φ = 21017280.

The previous prime is 61300531. The next prime is 61300541. The reversal of 61300540 is 4500316.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61300541) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 218791 + ... + 219070.

It is an arithmetic number, because the mean of its divisors is an integer number (6130068).

Almost surely, 2^61300540 is an apocalyptic number.

It is an amenable number.

61300540 is an abundant number, since it is smaller than the sum of its proper divisors (85821092).

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

61300540 is a wasteful number, since it uses less digits than its factorization.

61300540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437877 (or 437875 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 61300540 is about 7829.4661376112. The cubic root of 61300540 is about 394.2951484775.

Adding to 61300540 its reverse (4500316), we get a palindrome (65800856).

The spelling of 61300540 in words is "sixty-one million, three hundred thousand, five hundred forty".