1373315252 has 24 divisors (see below), whose sum is σ = 2538531072. Its totient is φ = 649051200.

The previous prime is 1373315227. The next prime is 1373315287. The reversal of 1373315252 is 2525133731.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123449 + ... + 134112.

It is an arithmetic number, because the mean of its divisors is an integer number (105772128).

Almost surely, 2^1373315252 is an apocalyptic number.

It is an amenable number.

1373315252 is a deficient number, since it is larger than the sum of its proper divisors (1165215820).

1373315252 is a wasteful number, since it uses less digits than its factorization.

1373315252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257639 (or 257637 counting only the distinct ones).

The product of its digits is 18900, while the sum is 32.

The square root of 1373315252 is about 37058.2683351503. The cubic root of 1373315252 is about 1111.5356965146.

Adding to 1373315252 its reverse (2525133731), we get a palindrome (3898448983).

The spelling of 1373315252 in words is "one billion, three hundred seventy-three million, three hundred fifteen thousand, two hundred fifty-two".