361256673 has 8 divisors (see below), whose sum is σ = 482264128. Its totient is φ = 240543504.

The previous prime is 361256611. The next prime is 361256677. The reversal of 361256673 is 376652163.

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

It is not a de Polignac number, because 361256673 - 2²⁰ = 360208097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (361256677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70690 + ... + 75627.

It is an arithmetic number, because the mean of its divisors is an integer number (60283016).

Almost surely, 2^361256673 is an apocalyptic number.

It is an amenable number.

361256673 is a deficient number, since it is larger than the sum of its proper divisors (121007455).

361256673 is a wasteful number, since it uses less digits than its factorization.

361256673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147143.

The product of its digits is 136080, while the sum is 39.

The square root of 361256673 is about 19006.7533524271. The cubic root of 361256673 is about 712.2054499323.

The spelling of 361256673 in words is "three hundred sixty-one million, two hundred fifty-six thousand, six hundred seventy-three".