61408501 has 16 divisors (see below), whose sum is σ = 76745088. Its totient is φ = 47736000.

The previous prime is 61408483. The next prime is 61408507. The reversal of 61408501 is 10580416.

61408501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 61408501 - 2⁹ = 61407989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61408507) 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 15 ways as a sum of consecutive naturals, for example, 46551 + ... + 47851.

It is an arithmetic number, because the mean of its divisors is an integer number (4796568).

Almost surely, 2^61408501 is an apocalyptic number.

It is an amenable number.

61408501 is a deficient number, since it is larger than the sum of its proper divisors (15336587).

61408501 is a wasteful number, since it uses less digits than its factorization.

61408501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1932.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 61408501 is about 7836.3576360450. The cubic root of 61408501 is about 394.5264870201.

Adding to 61408501 its reverse (10580416), we get a palindrome (71988917).

It can be divided in two parts, 6140 and 8501, that added together give a palindrome (14641).

The spelling of 61408501 in words is "sixty-one million, four hundred eight thousand, five hundred one".