481161783 has 4 divisors (see below), whose sum is σ = 641549048. Its totient is φ = 320774520.

The previous prime is 481161767. The next prime is 481161799. The reversal of 481161783 is 387161184.

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

It is an interprime number because it is at equal distance from previous prime (481161767) and next prime (481161799).

It is not a de Polignac number, because 481161783 - 2⁴ = 481161767 is a prime.

It is a super-2 number, since 2×481161783² = 463033322839478178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (481161743) 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, 80193628 + ... + 80193633.

It is an arithmetic number, because the mean of its divisors is an integer number (160387262).

Almost surely, 2^481161783 is an apocalyptic number.

481161783 is a deficient number, since it is larger than the sum of its proper divisors (160387265).

481161783 is a wasteful number, since it uses less digits than its factorization.

481161783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160387264.

The product of its digits is 32256, while the sum is 39.

The square root of 481161783 is about 21935.4002242950. The cubic root of 481161783 is about 783.6047174168.

The spelling of 481161783 in words is "four hundred eighty-one million, one hundred sixty-one thousand, seven hundred eighty-three".