325655649 has 36 divisors (see below), whose sum is σ = 544289200. Its totient is φ = 186967440.

The previous prime is 325655647. The next prime is 325655653. The reversal of 325655649 is 946556523.

325655649 is a `hidden beast` number, since 3 + 2 + 56 + 556 + 49 = 666.

It is not a de Polignac number, because 325655649 - 2¹ = 325655647 is a prime.

It is a super-2 number, since 2×325655649² = 212103203451222402, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (325655647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 12822 + ... + 28560.

Almost surely, 2^325655649 is an apocalyptic number.

It is an amenable number.

325655649 is a deficient number, since it is larger than the sum of its proper divisors (218633551).

325655649 is a wasteful number, since it uses less digits than its factorization.

325655649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15786 (or 15772 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The square root of 325655649 is about 18045.9316467729. The cubic root of 325655649 is about 687.9964627376.

It can be divided in two parts, 3 and 25655649, that added together give a palindrome (25655652).

The spelling of 325655649 in words is "three hundred twenty-five million, six hundred fifty-five thousand, six hundred forty-nine".