811241497 has 8 divisors (see below), whose sum is σ = 894935520. Its totient is φ = 729204960.

The previous prime is 811241489. The next prime is 811241503. The reversal of 811241497 is 794142118.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 811241497 - 2³ = 811241489 is a prime.

It is a super-2 number, since 2×811241497² = 1316225532909602018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (811241407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413343 + ... + 415300.

It is an arithmetic number, because the mean of its divisors is an integer number (111866940).

Almost surely, 2^811241497 is an apocalyptic number.

It is an amenable number.

811241497 is a deficient number, since it is larger than the sum of its proper divisors (83694023).

811241497 is a wasteful number, since it uses less digits than its factorization.

811241497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828743.

The product of its digits is 16128, while the sum is 37.

The square root of 811241497 is about 28482.3014695091. The cubic root of 811241497 is about 932.6457580377.

It can be divided in two parts, 81124 and 1497, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 811241497 in words is "eight hundred eleven million, two hundred forty-one thousand, four hundred ninety-seven".