1356231225 has 48 divisors (see below), whose sum is σ = 2347742592. Its totient is φ = 689525760.

The previous prime is 1356231209. The next prime is 1356231259. The reversal of 1356231225 is 5221326531.

It is not a de Polignac number, because 1356231225 - 2⁴ = 1356231209 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1356231192 and 1356231201.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 580159 + ... + 582491.

It is an arithmetic number, because the mean of its divisors is an integer number (48911304).

Almost surely, 2^1356231225 is an apocalyptic number.

1356231225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1356231225 is a deficient number, since it is larger than the sum of its proper divisors (991511367).

1356231225 is a wasteful number, since it uses less digits than its factorization.

1356231225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2706 (or 2701 counting only the distinct ones).

The product of its digits is 10800, while the sum is 30.

The square root of 1356231225 is about 36827.0447497488. The cubic root of 1356231225 is about 1106.9072866229.

Adding to 1356231225 its reverse (5221326531), we get a palindrome (6577557756).

The spelling of 1356231225 in words is "one billion, three hundred fifty-six million, two hundred thirty-one thousand, two hundred twenty-five".