497148385 has 4 divisors (see below), whose sum is σ = 596578068. Its totient is φ = 397718704.

The previous prime is 497148371. The next prime is 497148389. The reversal of 497148385 is 583841794.

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 393943104 + 103205281 = 19848^2 + 10159^2 .

It is a cyclic number.

It is not a de Polignac number, because 497148385 - 2¹⁵ = 497115617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (497148389) 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, 49714834 + ... + 49714843.

It is an arithmetic number, because the mean of its divisors is an integer number (149144517).

Almost surely, 2^497148385 is an apocalyptic number.

It is an amenable number.

497148385 is a deficient number, since it is larger than the sum of its proper divisors (99429683).

497148385 is an equidigital number, since it uses as much as digits as its factorization.

497148385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99429682.

The product of its digits is 967680, while the sum is 49.

The square root of 497148385 is about 22296.8245496977. The cubic root of 497148385 is about 792.1887628033.

The spelling of 497148385 in words is "four hundred ninety-seven million, one hundred forty-eight thousand, three hundred eighty-five".