481309147 has 4 divisors (see below), whose sum is σ = 525064536. Its totient is φ = 437553760.

The previous prime is 481309139. The next prime is 481309163. The reversal of 481309147 is 741903184.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 481309147 - 2³ = 481309139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481309547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21877678 + ... + 21877699.

It is an arithmetic number, because the mean of its divisors is an integer number (131266134).

Almost surely, 2^481309147 is an apocalyptic number.

481309147 is a deficient number, since it is larger than the sum of its proper divisors (43755389).

481309147 is a wasteful number, since it uses less digits than its factorization.

481309147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43755388.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 481309147 is about 21938.7590123051. The cubic root of 481309147 is about 783.6847066865.

The spelling of 481309147 in words is "four hundred eighty-one million, three hundred nine thousand, one hundred forty-seven".