1315252552 has 8 divisors (see below), whose sum is σ = 2466098550. Its totient is φ = 657626272.

The previous prime is 1315252541. The next prime is 1315252553. The reversal of 1315252552 is 2552525131.

It can be written as a sum of positive squares in only one way, i.e., 1244255076 + 70997476 = 35274^2 + 8426^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1315252553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82203277 + ... + 82203292.

Almost surely, 2^1315252552 is an apocalyptic number.

It is an amenable number.

1315252552 is a deficient number, since it is larger than the sum of its proper divisors (1150845998).

1315252552 is a wasteful number, since it uses less digits than its factorization.

1315252552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164406575 (or 164406571 counting only the distinct ones).

The product of its digits is 15000, while the sum is 31.

The square root of 1315252552 is about 36266.4107956660. The cubic root of 1315252552 is about 1095.6446381082.

Adding to 1315252552 its reverse (2552525131), we get a palindrome (3867777683).

The spelling of 1315252552 in words is "one billion, three hundred fifteen million, two hundred fifty-two thousand, five hundred fifty-two".