1253066517 has 20 divisors (see below), whose sum is σ = 1873254240. Its totient is φ = 834757704.

The previous prime is 1253066509. The next prime is 1253066567. The reversal of 1253066517 is 7156603521.

1253066517 is a `hidden beast` number, since 12 + 530 + 66 + 51 + 7 = 666.

It is not a de Polignac number, because 1253066517 - 2³ = 1253066509 is a prime.

It is a super-2 number, since 2×1253066517² = 3140351392053022578, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1253066567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 121318 + ... + 131240.

It is an arithmetic number, because the mean of its divisors is an integer number (93662712).

Almost surely, 2^1253066517 is an apocalyptic number.

It is an amenable number.

1253066517 is a deficient number, since it is larger than the sum of its proper divisors (620187723).

1253066517 is an equidigital number, since it uses as much as digits as its factorization.

1253066517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11494 (or 11485 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 1253066517 is about 35398.6795940188. The cubic root of 1253066517 is about 1078.0975070796.

The spelling of 1253066517 in words is "one billion, two hundred fifty-three million, sixty-six thousand, five hundred seventeen".