655050239 has 8 divisors (see below), whose sum is σ = 696165840. Its totient is φ = 614221696.

The previous prime is 655050229. The next prime is 655050241. The reversal of 655050239 is 932050556.

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

It is a de Polignac number, because none of the positive numbers 2^k-655050239 is a prime.

It is a super-2 number, since 2×655050239² = 858181631227914242, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 6.

It is a junction number, because it is equal to n+sod(n) for n = 655050199 and 655050208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655050229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67049 + ... + 76194.

It is an arithmetic number, because the mean of its divisors is an integer number (87020730).

Almost surely, 2^655050239 is an apocalyptic number.

655050239 is a deficient number, since it is larger than the sum of its proper divisors (41115601).

655050239 is a wasteful number, since it uses less digits than its factorization.

655050239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143529.

The product of its (nonzero) digits is 40500, while the sum is 35.

The square root of 655050239 is about 25593.9492654026. The cubic root of 655050239 is about 868.4767634133.

The spelling of 655050239 in words is "six hundred fifty-five million, fifty thousand, two hundred thirty-nine".