1315522606 has 4 divisors (see below), whose sum is σ = 1973283912. Its totient is φ = 657761302.

The previous prime is 1315522601. The next prime is 1315522613. The reversal of 1315522606 is 6062255131.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315522601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328880650 + ... + 328880653.

It is an arithmetic number, because the mean of its divisors is an integer number (493320978).

Almost surely, 2^1315522606 is an apocalyptic number.

1315522606 is a deficient number, since it is larger than the sum of its proper divisors (657761306).

1315522606 is an equidigital number, since it uses as much as digits as its factorization.

1315522606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657761305.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1315522606 is about 36270.1338017935. The cubic root of 1315522606 is about 1095.7196206577.

Adding to 1315522606 its reverse (6062255131), we get a palindrome (7377777737).

The spelling of 1315522606 in words is "one billion, three hundred fifteen million, five hundred twenty-two thousand, six hundred six".