655132539 has 4 divisors (see below), whose sum is σ = 873510056. Its totient is φ = 436755024.

The previous prime is 655132531. The next prime is 655132567. The reversal of 655132539 is 935231556.

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

It is not a de Polignac number, because 655132539 - 2³ = 655132531 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 655132497 and 655132506.

It is not an unprimeable number, because it can be changed into a prime (655132531) 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, 109188754 + ... + 109188759.

It is an arithmetic number, because the mean of its divisors is an integer number (218377514).

Almost surely, 2^655132539 is an apocalyptic number.

655132539 is a deficient number, since it is larger than the sum of its proper divisors (218377517).

655132539 is a wasteful number, since it uses less digits than its factorization.

655132539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218377516.

The product of its digits is 121500, while the sum is 39.

The square root of 655132539 is about 25595.5570167949. The cubic root of 655132539 is about 868.5131334707.

The spelling of 655132539 in words is "six hundred fifty-five million, one hundred thirty-two thousand, five hundred thirty-nine".