61454530 has 16 divisors (see below), whose sum is σ = 110854080. Its totient is φ = 24529392.

The previous prime is 61454513. The next prime is 61454537. The reversal of 61454530 is 3545416.

61454530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61454537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1440 + ... + 11179.

It is an arithmetic number, because the mean of its divisors is an integer number (6928380).

Almost surely, 2^61454530 is an apocalyptic number.

61454530 is a deficient number, since it is larger than the sum of its proper divisors (49399550).

61454530 is a wasteful number, since it uses less digits than its factorization.

61454530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13113.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 61454530 is about 7839.2939733116. The cubic root of 61454530 is about 394.6250353972.

Adding to 61454530 its reverse (3545416), we get a palindrome (64999946).

The spelling of 61454530 in words is "sixty-one million, four hundred fifty-four thousand, five hundred thirty".