655225479 has 6 divisors (see below), whose sum is σ = 946436816. Its totient is φ = 436816980.

The previous prime is 655225463. The next prime is 655225511. The reversal of 655225479 is 974522556.

655225479 is a `hidden beast` number, since 6 + 5 + 522 + 54 + 79 = 666.

It is not a de Polignac number, because 655225479 - 2⁴ = 655225463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655229479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36401407 + ... + 36401424.

Almost surely, 2^655225479 is an apocalyptic number.

655225479 is a deficient number, since it is larger than the sum of its proper divisors (291211337).

655225479 is a wasteful number, since it uses less digits than its factorization.

655225479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72802837 (or 72802834 counting only the distinct ones).

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

The square root of 655225479 is about 25597.3725018800. The cubic root of 655225479 is about 868.5542019004.

It can be divided in two parts, 65522547 and 9, that added together give a palindrome (65522556).

The spelling of 655225479 in words is "six hundred fifty-five million, two hundred twenty-five thousand, four hundred seventy-nine".