1225524506 has 16 divisors (see below), whose sum is σ = 1858193568. Its totient is φ = 606138000.

The previous prime is 1225524451. The next prime is 1225524523. The reversal of 1225524506 is 6054255221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297521 + ... + 301611.

It is an arithmetic number, because the mean of its divisors is an integer number (116137098).

Almost surely, 2^1225524506 is an apocalyptic number.

1225524506 is a deficient number, since it is larger than the sum of its proper divisors (632669062).

1225524506 is a wasteful number, since it uses less digits than its factorization.

1225524506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 1225524506 is about 35007.4921409689. The cubic root of 1225524506 is about 1070.1401702996.

Adding to 1225524506 its reverse (6054255221), we get a palindrome (7279779727).

The spelling of 1225524506 in words is "one billion, two hundred twenty-five million, five hundred twenty-four thousand, five hundred six".