797197501 has 8 divisors (see below), whose sum is σ = 828965880. Its totient is φ = 765714432.

The previous prime is 797197493. The next prime is 797197537. The reversal of 797197501 is 105791797.

797197501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 136656100 + 660541401 = 11690^2 + 25701^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 797197501 - 2³ = 797197493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (797117501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65620 + ... + 76813.

It is an arithmetic number, because the mean of its divisors is an integer number (103620735).

Almost surely, 2^797197501 is an apocalyptic number.

It is an amenable number.

797197501 is a deficient number, since it is larger than the sum of its proper divisors (31768379).

797197501 is a wasteful number, since it uses less digits than its factorization.

797197501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142655.

The product of its (nonzero) digits is 138915, while the sum is 46.

The square root of 797197501 is about 28234.6861324860. The cubic root of 797197501 is about 927.2324944479.

The spelling of 797197501 in words is "seven hundred ninety-seven million, one hundred ninety-seven thousand, five hundred one".