1562505225 has 12 divisors (see below), whose sum is σ = 2583342096. Its totient is φ = 833336080.

The previous prime is 1562505199. The next prime is 1562505289. The reversal of 1562505225 is 5225052651.

It is not a de Polignac number, because 1562505225 - 2²⁶ = 1495396361 is a prime.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 10416627 + ... + 10416776.

It is an arithmetic number, because the mean of its divisors is an integer number (215278508).

Almost surely, 2^1562505225 is an apocalyptic number.

1562505225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1562505225 is a deficient number, since it is larger than the sum of its proper divisors (1020836871).

1562505225 is a wasteful number, since it uses less digits than its factorization.

1562505225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20833416 (or 20833411 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 1562505225 is about 39528.5368436526. The cubic root of 1562505225 is about 1160.3985018578.

Adding to 1562505225 its reverse (5225052651), we get a palindrome (6787557876).

The spelling of 1562505225 in words is "one billion, five hundred sixty-two million, five hundred five thousand, two hundred twenty-five".