864251741 has 4 divisors (see below), whose sum is σ = 864597084. Its totient is φ = 863906400.

The previous prime is 864251737. The next prime is 864251743. The reversal of 864251741 is 147152468.

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 147136900 + 717114841 = 12130^2 + 26779^2 .

It is a cyclic number.

It is not a de Polignac number, because 864251741 - 2² = 864251737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 864251695 and 864251704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (864251743) 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, 168890 + ... + 173931.

It is an arithmetic number, because the mean of its divisors is an integer number (216149271).

Almost surely, 2^864251741 is an apocalyptic number.

It is an amenable number.

864251741 is a deficient number, since it is larger than the sum of its proper divisors (345343).

864251741 is a wasteful number, since it uses less digits than its factorization.

864251741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345342.

The product of its digits is 53760, while the sum is 38.

The square root of 864251741 is about 29398.1588028910. The cubic root of 864251741 is about 952.5331254224.

The spelling of 864251741 in words is "eight hundred sixty-four million, two hundred fifty-one thousand, seven hundred forty-one".