655342605 has 48 divisors (see below), whose sum is σ = 1211595840. Its totient is φ = 326536704.

The previous prime is 655342603. The next prime is 655342613. The reversal of 655342605 is 506243556.

It is a happy number.

655342605 is a `hidden beast` number, since 6 + 5 + 5 + 3 + 42 + 605 = 666.

It is not a de Polignac number, because 655342605 - 2¹ = 655342603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 655342605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655342601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 103254 + ... + 109416.

It is an arithmetic number, because the mean of its divisors is an integer number (25241580).

Almost surely, 2^655342605 is an apocalyptic number.

It is an amenable number.

655342605 is a deficient number, since it is larger than the sum of its proper divisors (556253235).

655342605 is a wasteful number, since it uses less digits than its factorization.

655342605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6330 (or 6327 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 655342605 is about 25599.6602516518. The cubic root of 655342605 is about 868.6059521359.

The spelling of 655342605 in words is "six hundred fifty-five million, three hundred forty-two thousand, six hundred five".