1350621225 has 36 divisors (see below), whose sum is σ = 2421817216. Its totient is φ = 719526240.

The previous prime is 1350621199. The next prime is 1350621227. The reversal of 1350621225 is 5221260531.

It is a happy number.

1350621225 is a `hidden beast` number, since 1 + 35 + 0 + 621 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 1350621225 - 2¹² = 1350617129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350621227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 236352 + ... + 241998.

Almost surely, 2^1350621225 is an apocalyptic number.

1350621225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1350621225 is a deficient number, since it is larger than the sum of its proper divisors (1071195991).

1350621225 is a wasteful number, since it uses less digits than its factorization.

1350621225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6726 (or 6718 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 1350621225 is about 36750.7989709067. The cubic root of 1350621225 is about 1105.3789504447.

Adding to 1350621225 its reverse (5221260531), we get a palindrome (6571881756).

The spelling of 1350621225 in words is "one billion, three hundred fifty million, six hundred twenty-one thousand, two hundred twenty-five".