655203513 has 8 divisors (see below), whose sum is σ = 893921248. Its totient is φ = 426644064.

The previous prime is 655203499. The next prime is 655203539. The reversal of 655203513 is 315302556.

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

It is not a de Polignac number, because 655203513 - 2⁶ = 655203449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655203713) 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, 2539420 + ... + 2539677.

It is an arithmetic number, because the mean of its divisors is an integer number (111740156).

Almost surely, 2^655203513 is an apocalyptic number.

It is an amenable number.

655203513 is a deficient number, since it is larger than the sum of its proper divisors (238717735).

655203513 is a wasteful number, since it uses less digits than its factorization.

655203513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079143.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 655203513 is about 25596.9434308083. The cubic root of 655203513 is about 868.5444958906.

The spelling of 655203513 in words is "six hundred fifty-five million, two hundred three thousand, five hundred thirteen".