863148061 has 4 divisors (see below), whose sum is σ = 863329500. Its totient is φ = 862966624.

The previous prime is 863148053. The next prime is 863148079. The reversal of 863148061 is 160841368.

863148061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 488144836 + 375003225 = 22094^2 + 19365^2 .

It is a cyclic number.

It is not a de Polignac number, because 863148061 - 2³ = 863148053 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 863148061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (863148661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83386 + ... + 93163.

It is an arithmetic number, because the mean of its divisors is an integer number (215832375).

Almost surely, 2^863148061 is an apocalyptic number.

It is an amenable number.

863148061 is a deficient number, since it is larger than the sum of its proper divisors (181439).

863148061 is a wasteful number, since it uses less digits than its factorization.

863148061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181438.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 863148061 is about 29379.3815625857. The cubic root of 863148061 is about 952.1274798834.

The spelling of 863148061 in words is "eight hundred sixty-three million, one hundred forty-eight thousand, sixty-one".