1225524663 has 72 divisors (see below), whose sum is σ = 2053056096. Its totient is φ = 702535680.

The previous prime is 1225524653. The next prime is 1225524667. The reversal of 1225524663 is 3664255221.

1225524663 is a `hidden beast` number, since 1 + 2 + 2 + 552 + 46 + 63 = 666.

It is not a de Polignac number, because 1225524663 - 2⁴ = 1225524647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1225524667) 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 71 ways as a sum of consecutive naturals, for example, 2830095 + ... + 2830527.

It is an arithmetic number, because the mean of its divisors is an integer number (28514668).

Almost surely, 2^1225524663 is an apocalyptic number.

1225524663 is a deficient number, since it is larger than the sum of its proper divisors (827531433).

1225524663 is a wasteful number, since it uses less digits than its factorization.

1225524663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597 (or 583 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 1225524663 is about 35007.4943833460. The cubic root of 1225524663 is about 1070.1402159976.

Adding to 1225524663 its reverse (3664255221), we get a palindrome (4889779884).

The spelling of 1225524663 in words is "one billion, two hundred twenty-five million, five hundred twenty-four thousand, six hundred sixty-three".