1245653093 has 8 divisors (see below), whose sum is σ = 1264978200. Its totient is φ = 1226389248.

The previous prime is 1245653051. The next prime is 1245653107. The reversal of 1245653093 is 3903565421.

It can be written as a sum of positive squares in 4 ways, for example, as 229764964 + 1015888129 = 15158^2 + 31873^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1245653093 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1245653993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26543 + ... + 56531.

It is an arithmetic number, because the mean of its divisors is an integer number (158122275).

Almost surely, 2^1245653093 is an apocalyptic number.

It is an amenable number.

1245653093 is a deficient number, since it is larger than the sum of its proper divisors (19325107).

1245653093 is an equidigital number, since it uses as much as digits as its factorization.

1245653093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30631.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 1245653093 is about 35293.8109730304. The cubic root of 1245653093 is about 1075.9672111386.

The spelling of 1245653093 in words is "one billion, two hundred forty-five million, six hundred fifty-three thousand, ninety-three".