491524802 has 16 divisors (see below), whose sum is σ = 748050072. Its totient is φ = 242196480.

The previous prime is 491524793. The next prime is 491524819. The reversal of 491524802 is 208425194.

It can be written as a sum of positive squares in 4 ways, for example, as 301057201 + 190467601 = 17351^2 + 13801^2 .

It is a super-2 number, since 2×491524802² = 483193261962278408, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41498 + ... + 52010.

Almost surely, 2^491524802 is an apocalyptic number.

491524802 is a deficient number, since it is larger than the sum of its proper divisors (256525270).

491524802 is a wasteful number, since it uses less digits than its factorization.

491524802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853.

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 491524802 is about 22170.3586348981. The cubic root of 491524802 is about 789.1904338187.

Adding to 491524802 its reverse (208425194), we get a palindrome (699949996).

The spelling of 491524802 in words is "four hundred ninety-one million, five hundred twenty-four thousand, eight hundred two".