1315286450 has 12 divisors (see below), whose sum is σ = 2446432890. Its totient is φ = 526114560.

The previous prime is 1315286443. The next prime is 1315286459. The reversal of 1315286450 is 546825131.

It can be written as a sum of positive squares in 3 ways, for example, as 1277991001 + 37295449 = 35749^2 + 6107^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1315286450.

It is not an unprimeable number, because it can be changed into a prime (1315286459) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 13152815 + ... + 13152914.

Almost surely, 2^1315286450 is an apocalyptic number.

1315286450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315286450 is a deficient number, since it is larger than the sum of its proper divisors (1131146440).

1315286450 is a wasteful number, since it uses less digits than its factorization.

1315286450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26305741 (or 26305736 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 1315286450 is about 36266.8781397021. The cubic root of 1315286450 is about 1095.6540507093.

The spelling of 1315286450 in words is "one billion, three hundred fifteen million, two hundred eighty-six thousand, four hundred fifty".