173425487 has 4 divisors (see below), whose sum is σ = 176697720. Its totient is φ = 170153256.

The previous prime is 173425457. The next prime is 173425519. The reversal of 173425487 is 784524371.

173425487 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 784524371 = 487 ⋅1610933.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-173425487 is a prime.

It is a super-4 number, since 4×173425487⁴ (a number of 34 digits) contains 4444 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 (173425457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636037 + ... + 1636142.

It is an arithmetic number, because the mean of its divisors is an integer number (44174430).

Almost surely, 2^173425487 is an apocalyptic number.

173425487 is a deficient number, since it is larger than the sum of its proper divisors (3272233).

173425487 is an equidigital number, since it uses as much as digits as its factorization.

173425487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272232.

The product of its digits is 188160, while the sum is 41.

The square root of 173425487 is about 13169.1110937679. Note that the first 3 decimals coincide. The cubic root of 173425487 is about 557.6619001996.

The spelling of 173425487 in words is "one hundred seventy-three million, four hundred twenty-five thousand, four hundred eighty-seven".