1319305252 has 12 divisors (see below), whose sum is σ = 2336601456. Its totient is φ = 651704840.

The previous prime is 1319305249. The next prime is 1319305259. The reversal of 1319305252 is 2525039131.

It is not an unprimeable number, because it can be changed into a prime (1319305259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1986574 + ... + 1987237.

It is an arithmetic number, because the mean of its divisors is an integer number (194716788).

Almost surely, 2^1319305252 is an apocalyptic number.

It is an amenable number.

1319305252 is a deficient number, since it is larger than the sum of its proper divisors (1017296204).

1319305252 is a wasteful number, since it uses less digits than its factorization.

1319305252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973898 (or 3973896 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 1319305252 is about 36322.2418360982. The cubic root of 1319305252 is about 1096.7688242689.

The spelling of 1319305252 in words is "one billion, three hundred nineteen million, three hundred five thousand, two hundred fifty-two".