1673125517 has 4 divisors (see below), whose sum is σ = 1912143456. Its totient is φ = 1434107580.

The previous prime is 1673125483. The next prime is 1673125529. The reversal of 1673125517 is 7155213761.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1673125517 - 2⁶ = 1673125453 is a prime.

It is a super-3 number, since 3×1673125517³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1673025517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119508959 + ... + 119508972.

It is an arithmetic number, because the mean of its divisors is an integer number (478035864).

Almost surely, 2^1673125517 is an apocalyptic number.

It is an amenable number.

1673125517 is a deficient number, since it is larger than the sum of its proper divisors (239017939).

1673125517 is an equidigital number, since it uses as much as digits as its factorization.

1673125517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239017938.

The product of its digits is 44100, while the sum is 38.

The square root of 1673125517 is about 40903.8569941760. The cubic root of 1673125517 is about 1187.1606900853.

The spelling of 1673125517 in words is "one billion, six hundred seventy-three million, one hundred twenty-five thousand, five hundred seventeen".