61459481 has 4 divisors (see below), whose sum is σ = 61485072. Its totient is φ = 61433892.

The previous prime is 61459429. The next prime is 61459483. The reversal of 61459481 is 18495416.

61459481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61459481 - 2²² = 57265177 is a prime.

It is a super-2 number, since 2×61459481² = 7554535609578722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61459483) 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 3 ways as a sum of consecutive naturals, for example, 8771 + ... + 14136.

It is an arithmetic number, because the mean of its divisors is an integer number (15371268).

Almost surely, 2^61459481 is an apocalyptic number.

It is an amenable number.

61459481 is a deficient number, since it is larger than the sum of its proper divisors (25591).

61459481 is a wasteful number, since it uses less digits than its factorization.

61459481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25590.

The product of its digits is 34560, while the sum is 38.

The square root of 61459481 is about 7839.6097479403. The cubic root of 61459481 is about 394.6356325877.

The spelling of 61459481 in words is "sixty-one million, four hundred fifty-nine thousand, four hundred eighty-one".