1253932616 has 8 divisors (see below), whose sum is σ = 2351123670. Its totient is φ = 626966304.

The previous prime is 1253932573. The next prime is 1253932619. The reversal of 1253932616 is 6162393521.

It can be written as a sum of positive squares in only one way, i.e., 1253868100 + 64516 = 35410^2 + 254^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1253932616.

It is not an unprimeable number, because it can be changed into a prime (1253932619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78370781 + ... + 78370796.

Almost surely, 2^1253932616 is an apocalyptic number.

It is an amenable number.

1253932616 is a deficient number, since it is larger than the sum of its proper divisors (1097191054).

1253932616 is a wasteful number, since it uses less digits than its factorization.

1253932616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156741583 (or 156741579 counting only the distinct ones).

The product of its digits is 58320, while the sum is 38.

The square root of 1253932616 is about 35410.9109738792. The cubic root of 1253932616 is about 1078.3458376389.

The spelling of 1253932616 in words is "one billion, two hundred fifty-three million, nine hundred thirty-two thousand, six hundred sixteen".