485223551 has 4 divisors (see below), whose sum is σ = 488437104. Its totient is φ = 482010000.

The previous prime is 485223547. The next prime is 485223553. The reversal of 485223551 is 155322584.

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 485223551 - 2² = 485223547 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 (485223553) 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, 1606550 + ... + 1606851.

It is an arithmetic number, because the mean of its divisors is an integer number (122109276).

Almost surely, 2^485223551 is an apocalyptic number.

485223551 is a deficient number, since it is larger than the sum of its proper divisors (3213553).

485223551 is a wasteful number, since it uses less digits than its factorization.

485223551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3213552.

The product of its digits is 48000, while the sum is 35.

The square root of 485223551 is about 22027.7904248247. The cubic root of 485223551 is about 785.8034971400.

The spelling of 485223551 in words is "four hundred eighty-five million, two hundred twenty-three thousand, five hundred fifty-one".