655239063 has 8 divisors (see below), whose sum is σ = 873891328. Its totient is φ = 436706424.

The previous prime is 655239047. The next prime is 655239071. The reversal of 655239063 is 360932556.

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

It is not a de Polignac number, because 655239063 - 2⁴ = 655239047 is a prime.

It is a super-2 number, since 2×655239063² = 858676459362235938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655239023) 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, 16231 + ... + 39672.

It is an arithmetic number, because the mean of its divisors is an integer number (109236416).

Almost surely, 2^655239063 is an apocalyptic number.

655239063 is a deficient number, since it is larger than the sum of its proper divisors (218652265).

655239063 is a wasteful number, since it uses less digits than its factorization.

655239063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59813.

The product of its (nonzero) digits is 145800, while the sum is 39.

The square root of 655239063 is about 25597.6378402383. The cubic root of 655239063 is about 868.5602040880.

The spelling of 655239063 in words is "six hundred fifty-five million, two hundred thirty-nine thousand, sixty-three".