655279245 has 24 divisors (see below), whose sum is σ = 1136593536. Its totient is φ = 349243488.

The previous prime is 655279243. The next prime is 655279283. The reversal of 655279245 is 542972556.

655279245 is a `hidden beast` number, since 6 + 552 + 7 + 92 + 4 + 5 = 666.

It is not a de Polignac number, because 655279245 - 2¹ = 655279243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 655279245.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655279243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76152 + ... + 84318.

It is an arithmetic number, because the mean of its divisors is an integer number (47358064).

Almost surely, 2^655279245 is an apocalyptic number.

It is an amenable number.

655279245 is a deficient number, since it is larger than the sum of its proper divisors (481314291).

655279245 is a wasteful number, since it uses less digits than its factorization.

655279245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9961 (or 9958 counting only the distinct ones).

The product of its digits is 756000, while the sum is 45.

The square root of 655279245 is about 25598.4227053153. The cubic root of 655279245 is about 868.5779583067.

The spelling of 655279245 in words is "six hundred fifty-five million, two hundred seventy-nine thousand, two hundred forty-five".