1253330513 has 16 divisors (see below), whose sum is σ = 1324857600. Its totient is φ = 1183300800.

The previous prime is 1253330509. The next prime is 1253330537. The reversal of 1253330513 is 3150333521.

It is a cyclic number.

It is not a de Polignac number, because 1253330513 - 2² = 1253330509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1253339513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1019183 + ... + 1020411.

It is an arithmetic number, because the mean of its divisors is an integer number (82803600).

Almost surely, 2^1253330513 is an apocalyptic number.

It is an amenable number.

1253330513 is a deficient number, since it is larger than the sum of its proper divisors (71527087).

1253330513 is a wasteful number, since it uses less digits than its factorization.

1253330513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792.

The product of its (nonzero) digits is 4050, while the sum is 26.

The square root of 1253330513 is about 35402.4082937870. The cubic root of 1253330513 is about 1078.1732129421.

The spelling of 1253330513 in words is "one billion, two hundred fifty-three million, three hundred thirty thousand, five hundred thirteen".