481231961 has 8 divisors (see below), whose sum is σ = 551514240. Its totient is φ = 411333408.

The previous prime is 481231957. The next prime is 481231999. The reversal of 481231961 is 169132184.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 481231961 - 2² = 481231957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (481231931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93236 + ... + 98261.

It is an arithmetic number, because the mean of its divisors is an integer number (68939280).

Almost surely, 2^481231961 is an apocalyptic number.

It is an amenable number.

481231961 is a deficient number, since it is larger than the sum of its proper divisors (70282279).

481231961 is a wasteful number, since it uses less digits than its factorization.

481231961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191863.

The product of its digits is 10368, while the sum is 35.

The square root of 481231961 is about 21936.9998176597. Note that the first 3 decimals coincide. The cubic root of 481231961 is about 783.6428121149.

The spelling of 481231961 in words is "four hundred eighty-one million, two hundred thirty-one thousand, nine hundred sixty-one".