481778573 has 4 divisors (see below), whose sum is σ = 507135360. Its totient is φ = 456421788.

The previous prime is 481778567. The next prime is 481778593. The reversal of 481778573 is 375877184.

It is a happy number.

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 481778573 - 2¹⁴ = 481762189 is a prime.

It is a super-2 number, since 2×481778573² = 464221186803832658, 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 (481778503) 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, 12678365 + ... + 12678402.

It is an arithmetic number, because the mean of its divisors is an integer number (126783840).

Almost surely, 2^481778573 is an apocalyptic number.

It is an amenable number.

481778573 is a deficient number, since it is larger than the sum of its proper divisors (25356787).

481778573 is a wasteful number, since it uses less digits than its factorization.

481778573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25356786.

The product of its digits is 1317120, while the sum is 50.

The square root of 481778573 is about 21949.4549590645. The cubic root of 481778573 is about 783.9394026163.

The spelling of 481778573 in words is "four hundred eighty-one million, seven hundred seventy-eight thousand, five hundred seventy-three".