810601345 has 8 divisors (see below), whose sum is σ = 991075176. Its totient is φ = 636245376.

The previous prime is 810601303. The next prime is 810601373. The reversal of 810601345 is 543106018.

It can be written as a sum of positive squares in 4 ways, for example, as 328008321 + 482593024 = 18111^2 + 21968^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-810601345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1529172 + ... + 1529701.

It is an arithmetic number, because the mean of its divisors is an integer number (123884397).

Almost surely, 2^810601345 is an apocalyptic number.

It is an amenable number.

810601345 is a deficient number, since it is larger than the sum of its proper divisors (180473831).

810601345 is a wasteful number, since it uses less digits than its factorization.

810601345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058931.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 810601345 is about 28471.0615362336. The cubic root of 810601345 is about 932.4003760485.

The spelling of 810601345 in words is "eight hundred ten million, six hundred one thousand, three hundred forty-five".