1253377316 has 12 divisors (see below), whose sum is σ = 2193778188. Its totient is φ = 626583552.

The previous prime is 1253377289. The next prime is 1253377327. The reversal of 1253377316 is 6137733521.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 157502500 + 1095874816 = 12550^2 + 33104^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1253377316.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580 + ... + 50276.

It is an arithmetic number, because the mean of its divisors is an integer number (182814849).

Almost surely, 2^1253377316 is an apocalyptic number.

It is an amenable number.

1253377316 is a deficient number, since it is larger than the sum of its proper divisors (940400872).

1253377316 is a wasteful number, since it uses less digits than its factorization.

1253377316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52558 (or 52556 counting only the distinct ones).

The product of its digits is 79380, while the sum is 38.

The square root of 1253377316 is about 35403.0693019687. The cubic root of 1253377316 is about 1078.1866334811.

The spelling of 1253377316 in words is "one billion, two hundred fifty-three million, three hundred seventy-seven thousand, three hundred sixteen".