634848497 has 4 divisors (see below), whose sum is σ = 638892276. Its totient is φ = 630804720.

The previous prime is 634848443. The next prime is 634848499. The reversal of 634848497 is 794848436.

634848497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 406264336 + 228584161 = 20156^2 + 15119^2 .

It is a cyclic number.

It is not a de Polignac number, because 634848497 - 2⁶ = 634848433 is a prime.

It is a super-2 number, since 2×634848497² = 806065228286318018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634848499) 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, 2021654 + ... + 2021967.

It is an arithmetic number, because the mean of its divisors is an integer number (159723069).

Almost surely, 2^634848497 is an apocalyptic number.

It is an amenable number.

634848497 is a deficient number, since it is larger than the sum of its proper divisors (4043779).

634848497 is a wasteful number, since it uses less digits than its factorization.

634848497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4043778.

The product of its digits is 4644864, while the sum is 53.

The square root of 634848497 is about 25196.2000508013. The cubic root of 634848497 is about 859.4554408131.

It can be divided in two parts, 6348 and 48497, that added together give a palindrome (54845).

The spelling of 634848497 in words is "six hundred thirty-four million, eight hundred forty-eight thousand, four hundred ninety-seven".