484997257 has 4 divisors (see below), whose sum is σ = 486436756. Its totient is φ = 483557760.

The previous prime is 484997231. The next prime is 484997281. The reversal of 484997257 is 752799484.

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

It can be written as a sum of positive squares in 2 ways, for example, as 210134016 + 274863241 = 14496^2 + 16579^2 .

It is a cyclic number.

It is not a de Polignac number, because 484997257 - 2¹⁹ = 484472969 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 484997198 and 484997207.

It is not an unprimeable number, because it can be changed into a prime (484997057) 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, 719244 + ... + 719917.

It is an arithmetic number, because the mean of its divisors is an integer number (121609189).

Almost surely, 2^484997257 is an apocalyptic number.

It is an amenable number.

484997257 is a deficient number, since it is larger than the sum of its proper divisors (1439499).

484997257 is a wasteful number, since it uses less digits than its factorization.

484997257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1439498.

The product of its digits is 5080320, while the sum is 55.

The square root of 484997257 is about 22022.6532688502. The cubic root of 484997257 is about 785.6813195944.

The spelling of 484997257 in words is "four hundred eighty-four million, nine hundred ninety-seven thousand, two hundred fifty-seven".