865595241 has 45 divisors (see below), whose sum is σ = 1507387629. Its totient is φ = 493566696.

The previous prime is 865595231. The next prime is 865595243. The reversal of 865595241 is 142595568.

The square root of 865595241 is 29421.

It is a perfect power (a square), and thus also a powerful number.

865595241 is a `hidden beast` number, since 8 + 6 + 559 + 52 + 41 = 666.

It is not a de Polignac number, because 865595241 - 2¹³ = 865587049 is a prime.

Its product of digits (432000) is a multiple of the sum of its prime factors (960).

It is not an unprimeable number, because it can be changed into a prime (865595243) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1853290 + ... + 1853756.

Almost surely, 2^865595241 is an apocalyptic number.

865595241 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

865595241 is the 29421-st square number.

865595241 is the 14711-st centered octagonal number.

It is an amenable number.

865595241 is a deficient number, since it is larger than the sum of its proper divisors (641792388).

865595241 is an frugal number, since it uses more digits than its factorization.

865595241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960 (or 477 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The cubic root of 865595241 is about 953.0264483909.

The spelling of 865595241 in words is "eight hundred sixty-five million, five hundred ninety-five thousand, two hundred forty-one".