61426530 has 48 divisors (see below), whose sum is σ = 174230784. Its totient is φ = 14891040.

The previous prime is 61426501. The next prime is 61426567. The reversal of 61426530 is 3562416.

61426530 is a `hidden beast` number, since 6 + 1 + 4 + 2 + 653 + 0 = 666.

61426530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 61426494 and 61426503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30034 + ... + 32013.

It is an arithmetic number, because the mean of its divisors is an integer number (3629808).

Almost surely, 2^61426530 is an apocalyptic number.

61426530 is an abundant number, since it is smaller than the sum of its proper divisors (112804254).

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

61426530 is a wasteful number, since it uses less digits than its factorization.

61426530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62071 (or 62068 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 61426530 is about 7837.5078947329. The cubic root of 61426530 is about 394.5650930868.

Adding to 61426530 its reverse (3562416), we get a palindrome (64988946).

The spelling of 61426530 in words is "sixty-one million, four hundred twenty-six thousand, five hundred thirty".