1315522510 has 48 divisors (see below), whose sum is σ = 2460034368. Its totient is φ = 506485440.

The previous prime is 1315522499. The next prime is 1315522511. The reversal of 1315522510 is 152255131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315522511) 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 23 ways as a sum of consecutive naturals, for example, 3526684 + ... + 3527056.

It is an arithmetic number, because the mean of its divisors is an integer number (51250716).

Almost surely, 2^1315522510 is an apocalyptic number.

1315522510 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1315522510 is a deficient number, since it is larger than the sum of its proper divisors (1144511858).

1315522510 is a wasteful number, since it uses less digits than its factorization.

1315522510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 1315522510 is about 36270.1324783905. The cubic root of 1315522510 is about 1095.7195940044.

Adding to 1315522510 its reverse (152255131), we get a palindrome (1467777641).

The spelling of 1315522510 in words is "one billion, three hundred fifteen million, five hundred twenty-two thousand, five hundred ten".