1331596225 has 12 divisors (see below), whose sum is σ = 1651929984. Its totient is φ = 1064792720.

The previous prime is 1331596207. The next prime is 1331596283. The reversal of 1331596225 is 5226951331.

It is a de Polignac number, because none of the positive numbers 2^k-1331596225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50292 + ... + 72058.

It is an arithmetic number, because the mean of its divisors is an integer number (137660832).

Almost surely, 2^1331596225 is an apocalyptic number.

It is an amenable number.

1331596225 is a deficient number, since it is larger than the sum of its proper divisors (320333759).

1331596225 is a wasteful number, since it uses less digits than its factorization.

1331596225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24224 (or 24219 counting only the distinct ones).

The product of its digits is 48600, while the sum is 37.

The square root of 1331596225 is about 36491.0430790900. The cubic root of 1331596225 is about 1100.1642247921.

The spelling of 1331596225 in words is "one billion, three hundred thirty-one million, five hundred ninety-six thousand, two hundred twenty-five".