481165997 has 8 divisors (see below), whose sum is σ = 518395416. Its totient is φ = 443967552.

The previous prime is 481165991. The next prime is 481166017. The reversal of 481165997 is 799561184.

It can be written as a sum of positive squares in 4 ways, for example, as 40627876 + 440538121 = 6374^2 + 20989^2 .

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 481165997 - 2⁴ = 481165981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481165991) 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, 32183 + ... + 44699.

It is an arithmetic number, because the mean of its divisors is an integer number (64799427).

Almost surely, 2^481165997 is an apocalyptic number.

It is an amenable number.

481165997 is a deficient number, since it is larger than the sum of its proper divisors (37229419).

481165997 is a wasteful number, since it uses less digits than its factorization.

481165997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487.

The product of its digits is 544320, while the sum is 50.

The square root of 481165997 is about 21935.4962788627. The cubic root of 481165997 is about 783.6070050055.

The spelling of 481165997 in words is "four hundred eighty-one million, one hundred sixty-five thousand, nine hundred ninety-seven".